Create web app send receive text messagestrabajos

I am looking to integrate with N8N to create a comprehensive appointment reminder bot. The main aim for this project is to set up an automated reminder system that will alert our clients about their appointments. Key Project Requirements: - The system should send reminders through multiple channels namely Email, SMS and Voice Call. This multi-channel approach is meant to ensure that clients receive their reminders regardless of their preferred communication channel. - The system should be integrated with and N8N. N8N will serve as the central platform for automation of the reminder system. Ideal Skills and Experience: - Proficient with integration tools like N8N - Familiarity with - Experience in setting up reminder systems - Knowledge of platforms such as Twil...

Project Title: iOS Test App Development with BT Beacon Integration Project Overview: We are seeking an experienced iOS iPhone developer to create a unique test app featuring a Bluetooth (BT) Beacon for ultra short bi-directional communications. The goal of this project is twofold: first, to discuss the feasibility and requirements of the app through a paid chat session, and second, to develop a tiny, well-documented demo app for iPhone that integrates with BT Beacon technology. Key Content: - Integration of BT Beacon to facilitate sending messages and receiving responses. - Implementation of asynchronous bi-directional communications using BT Beacon protocol. - Development of a test app allowing users to type text, send me...

I'm looking for a highly skilled UI/UX designer to create an appealing homepage catering to businesses. This site should impart a feeling of innovation and modernity. Company: We are a provider of video education subscriptions in a professional health niche. Role Overview: Conversational or fluent English required - Qualified candidates will be contacted for an online share screen interview to view and discuss current ideas and content. Seeking a talented UI/UX Website Designer to create captivating designs focused on converting video subscription sign-ups. Visual representation of product crucial. The ideal candidate will have a strong understanding of design principles, a keen eye for detail, and a passion for creating intuitive user experiences. We aim to redesig...

...they want to achieve and share them with their support group. Progress Tracking: The bot will provide a way for users to report their progress and update their status regularly. This could be in the form of simple text updates, photo sharing, or preset progress markers. Group Chat: Each support group will have a dedicated group chat where members can communicate, share their experiences, and encourage each other. The bot will moderate these chats to maintain a positive and supportive environment. Reminders and Check-Ins: The bot will send periodic reminders and check-in messages to keep users engaged and motivated. It will also prompt users to update their progress and celebrate their achievements. Privacy and Security: Ensuring user privacy is paramount. The bo...

I'm seeking a logo designer that specializes in text-based logos. The logo will be used specifically for printed materials and should evoke feelings of professionalism and a corporate image. Key requirements include: - Specialization in text-based logos: The logo should be predominantly text, with minimal or subtle graphic elements. - Prior experience in designing logos for printed materials: Skills in designing for print are essential to ensure the logo is optimized for this medium. - Understanding of corporate branding: The logo should convey a professional and corporate feel, so experience in this area is important. The ideal candidate should be able to provide a portfolio demonstrating successful text-based logo designs for print, particularly wit...

I'm searching for an experienced iOS iPhone developer to create a unique TEST APP featuring a BT Beacon for ultra short bi-directional communications. We are competent android and hardware developers but zero knowledge in IOS . Key Content: - BT Beacon integration to facilitate sending messages and receiving responses. Prerequisite Experience and Skills: - Proficient in iOS development. - Familiarity with BT Beacon technology. - Strong understanding of BT comms and implementation in IOS apps - Excellent English and documentation skills The goal of this project is FIRST - to prove to me that you can deliver an tiny snippet of code to be used by another party (us). I do not want the code now , but to discuss with you for a small fee that what I want is or...

To proofreading 12,000 words of text

I am currently facing issues with my Pterodactyl panel on my Digital Ocean server. I need an experienced front-end developer to solve the following problems: - Login - An error message is displayed during the process. The specific error message I receive is "404 not found". - Dashboard - It isn't loading properly. I only see a blank screen when attempting to load the dashboard. The ideal freelancer for this project should have substantial experience with nginx and the Pterodactyl panel. They should be comfortable with resolving errors and troubleshooting server issues.

...student-teacher interaction doubt app developed using Flutter, and have executed the front-end and registration sections . I am struggling with forgot password, reset password and applying the following logic: The doubt which the student has typed must be sent to a selected subject teacher(subject and teacher will be selected from the dropdown boxes which is already done) and a teacher must see the list of all students who have asked him the doubt. The list must be in the form of checkbox buttons where on clicking on any button the chatbox opens of a particular student and his doubt is displayed, after answering the doubt, the teacher can go back to the list and tick those checkboxes whose doubts have been cleared .I have designed the chatbox and entering the text mess...

We plan to sell multiple items on Opensea. A script using Opensea API might be the best option to create bulk seller listings. See . This project is to create the Opensea sale listing script. The sale listing information will be provided in spreadsheet format, such as: . Candidates must state which type of script they plan to use (Google Apps Script, Python, etc.). Thank you

...on a similar time zone ( Asia/india) Project communication by skype What you will deliver fully functioning custom-designed already 85% completed A responsive website (testing gtmetrix, ahrefs, screaming frog and Neil Patel to a+ on all test functions) all on-page SEO optimized all headers images pages optimized ( We will supply the rewritten text at the beginning of the project you will extract page names SEO on page and text and we will return this fully re-written) a fully configured multi-vendor store with the various types of users (think a Canva type / Fiverr type marketplace where end users will pick templates and either the content creators or our in-house team will customize the solution and then upload the content to their display systems) the store ...

I'm looking to buy your existing, unique projects, mobile app, and software projects. I'm particularly interested in projects that stand out and have unique appeal. I am open to a variety of project types - it could be a website with an innovative design, a mobile app with unique features, or software that has a niche use case. Don't be afraid to offer up your project, even if you think it might not fit the typical mould. I am willing to consider a wide range of possibilities. I would be very interested in modern technology that will be useful in todays world which could relate to AI (artificial intelligence). Please do not send me pre written messages. Send me your projects that you have to offer, the price & the link to view. I...

...professional to fix a few issues on my website and add a compare feature. I have a website that needs some improvements. Specifically, I need to fix the contact us page and update the compare page on my website. The compare functionality will compare the features between the 3 properties. Here are the specifics: - **Contact Us Page Issue:** The contact us page has been receiving a lot of spam messages. I need someone who can properly implement Google reCAPTCHA v2 to prevent this issue. Currently, there is a captcha in place, but it is not functioning as intended. - **Compare Page Update:** The compare feature is not in place yet, and I need someone to add this functionality. The compare feature will allow users to compare the features of 3 different properties. I am a softwar...

I need an experienced Vue.js And Laravel developer to help improve the user interface and functionality of my exist Laravel CMS admin panel. The goal is to give me more control over Theme settings, particularly those focused on the design aesthetics of Amazon.com. 1- Create A new Theme :You should see all the requirements on the image: A: Logo, Deliver to: includes all country's, Search, Language Selector, Account & lists, Orders, Cart: B: All Categories, Navbar. C: Banner in background : D: The rest of Home Page Sections and Layouts: Everything on the image is the same: All Navbar

I am searching for an experienced developer who can construct an AWS Lambda function for data processing purposes. The data in question will be predominantly text-based. Key Requirements: - Ability to work proficiently with AWS Lambda - Strong expertise in Python, which will be the primary language for this task Zip file with AWS Lambda Function needed in Python which fetches file from a Folder in S3 Bucket and drops it in a SFTP location using paramiko and pysftp (both libraries) parameters are hostname port username password I will test the code by applying the parameters. Thanks

I am seeking a skilled graphic designer to create inspirational and motivational t-shirt designs for a young adult audience (18-35). Key Requirements: - Mastery in creating vibrant and colorful designs to resonate with youthful energy. - Experience in designing apparel, preferably t-shirts. - Have a portfolio showcasing creativity and adaptability. - An understanding of current design trends targeting young adults. - A knack for crafting inspirational and motivational themes into visually stimulating designs. The ideal freelancer for this project should have a keen eye for combining visuals and text in a way that effectively delivers motivational messages. Pride in producing quality, original designs that truly engage and inspire the target demographic is a must. I...

...changes to its text. The specific requirements include: - Modifying the existing text: Certain sections of the text need to be updated lightly, but these changes should not alter the current format. Essentially, the text modifications need to keep the same font, size, and color as the initial content. The ideal candidate for this job: - Should have experience with PDF editing tools and comfortable working with text modifications. - Should be meticulous in maintaining the existing formatting, ensuring that the adjustments are seamless and do not disrupt the original structure. - Previous experience with similar projects will be a big plus. Please note that, while not included in the initial request, there may be additional elements that need to b...

I'm experiencing an issue that needs immediate attention from someone skillful in WIX website design. The text on my Services/Booking page has been overlapping for 1-2 weeks now. This issue isn't isolated to just mobile devices, it's happening on all devices. Here's exactly what I'm looking for: - Diagnostic of the current problem causing overlapping text, - Quick and efficient solution, - Ensuring the text displays accurately on all devices. Ideal candidates should have: - Proficient skills in WIX design, - Proven experience in responsive design issues fix, - Attention to detail for accuracy in work.

I'm looking for an experienced software developer to create a comprehensive electronic health record system that is compatible with both Windows and Mac operating systems. Key functionalities: - Patient Record Management: The software should allow for the secure and efficient management of patient records, ensuring easy access and update of medical information. - Appointment Scheduling: Users should be able to schedule appointments, view upcoming appointments, and receive reminders. - Billing and Invoicing: The system should support billing and invoicing processes, facilitating the financial aspects of patient care. While I'm unsure about specific integration needs at the moment, the ideal candidate should be open and capable of discussing potential integr...

...Scope of Work: Develop a comprehensive social media strategy aligned with BusinessRate's goals and target audience. Create engaging and visually appealing content for ranking announcements, including graphics, videos, and compelling captions. Identify and target relevant social media platforms, such as Facebook, Instagram, Twitter, and LinkedIn, based on our target audience. Schedule and publish ranking announcement posts consistently across selected social media channels. Engage with followers, respond to comments and messages, and monitor social media conversations related to the campaign. Collaborate with the BusinessRate team to highlight exclusive recognition products and create promotional offers for featured businesses. Implement tactics to increase reac...

...only redeemable once. 4. The code grants them access to "store profile" (of the store that they scanned the code from). 5. From the store profile, they can choose to unlock a discount from a list of stores that have partnered with the store who's profile they're on. For example: I go to Walmart, I scan a code. The code takes me to my consulting website. I enter my phone number, and receive a text code. This text code (which is one-time use) will grant me access to Walmart's store profile on my website. Once I'm in there, say Walmart has partnered with McDonalds, Honda, and Winners, I choose one of them, and get a discount code for their website. We will already have all of the discount codes, we just need to integrate the functionality...

I'm seeking a skilled developer to create a versatile VOIP softphone app, compatible with both iOS and Android devices. Key Features and Functionalities: - Video calling - Conference calling - Ability to send and receive SMS & MMS messages - Auto provisioning function - In-app address book Further, ensuring seamless integration with APIs is a must, as well as a functionality syncing with an address book or contacts. The ideal freelancers for this project would have solid experience in iOS and Android app development, with special emphasis on communication apps and certificate pinning. OPENSIPS knowledge + Knowledge in API integration and VOIP technology is highly essential. Your portfolio showcasing related projects will highly i...

I'm in need of a mobile alert system that can notify users when specific baseball games are about to start the 7th inning, through SMS text messages. Ideal Skills and Experience: - Proficient in mobile alert system development - Experience in integrating SMS text message notifications - Understanding of baseball game structures - Ability to create a user-friendly and intuitive interface The alert should only include one detail: the time the 7th inning is starting. The system should allow us to enter the specific games we want to track and multiple phone numbers for the alerts. Please ensure the system is user-friendly and efficient, as we're aiming for a quick and straightforward experience for our users.

I'm looking for an expert who can help me with automating mass DMs on Discord. Here's a detailed overview of what I need: - Personalized Mass DMs: I require the ability to send personalized messages to a large group of users. This could be achieved through custom name insertion, dynamic content insertion, or personalized message templates. - Scheduled Mass DMs: I need a mechanism that enables the scheduling of these mass DMs. This will help in ensuring that messages are sent at the most appropriate times and in a way that avoids spamming. - Content: The content I want to send in these mass DMs is related to my Discord server. You'll be responsible for including a server description and its features, as well as the server invite link. Ideal S...

I'm seeking a skilled developer who can seamlessly integrate Radius Manager with Sage One, with two primary augmentation features: 1. Account Status Notifications: The system must automatically update clients about their account status. The notification methods should include Email, SMS, and WhatsApp messages. 2. Client Suspension/Activation: Depending on the payment status, the system should have the ability to either suspend or activate the client's accounts. Proficiency in application integration, knowledge of Radius Manager & Sage One, experience with diverse notification channels, and a good understanding is required for this project.

I'm looking for a marketing expert who can help me with my Facebook lead generation. Key Responsibilities: - Manage and optimize our Facebook page for lead generation - Create and post high quality, engaging content on a regular basis - Monitor and respond to comments, messages, and reviews - Implement Facebook advertising campaigns to drive lead generation Ideal Skills and Experience: - Proven experience in social media management, particularly Facebook - Strong understanding of lead generation strategies and techniques - Excellent written and verbal communication skills - Proficiency in Facebook advertising and analytics - Ability to analyze data, identify trends, and make data-driven decisions - Proactive, creative, and detail-oriented approach to problem-solving I...

I need a skilled copywriter able to produce engaging and informative text content for my website. The content should primarily provide an overview of my business, painting a clear picture of what we do and who we are. Key Responsibilities: - Crafting original, compelling, and SEO-friendly content - Ensuring the information is accurate, engaging and meets the needs of the target audience - Researching and understanding my business Ideal Skills: - Excellent written communication and copywriting skills - Strong research and fact-checking abilities - Understanding of SEO principles and proper keyword usage - Previous experience in business and corporate copywriting.

I am in need of a seasoned professional with expertise in both content creation and design, to help me craft a compelling marketing brochure....my experience and expertise in a way that appeals to corporate executives. Ideally, I need a freelancer with the following skills and experiences: - Proven track record in writing effective marketing content, particularly in the B2B space. - Strong design skills, with experience in creating professional and visually appealing brochures. - Understanding of the corporate world and how to tailor messages effectively for this audience. This project requires a blend of creativity and professionalism. The brochure should be a perfect balance of engaging content and visually appealing design, all while maintaining a professional and formal tone t...

...name) - Web Hosting (We already have an existing web hosting) - WordPress (We already set up the WordPress account) - Elementor (We already have Elementor Pro License) - Proven experience as a Website Developer, with a portfolio showcasing your ability to create engaging and interactive websites. We need help on: - Developing a simple-to-use and easy to duplicable affiliate landing page - Edit in one master landing page and all the affiliate landing pages will also change accordingly. We do not want to change all landing page one by one. - Each affiliate landing page has their own unique lead registration form - When a visitor fills up the form, the affiliate will receive the visitor's details and the admin will also receive as well (Multipl...

I have a set of standard PDF forms that I need to be made fillable. The forms primarily contain text fields and checkboxes. After the user fills out the form, I would like the system to prompt the user to save the filled form, and then also have the option to email the filled form. I'm looking for a freelancer who has experience in creating fillable PDF forms. The ideal candidate should: - Be proficient in Adobe Acrobat or similar software for creating fillable PDFs - Have a solid understanding of form field types and their functionality - Be able to implement the save and email functionalities upon form completion If you have experience creating similar forms and are confident in your abilities to execute this task, please reach out.

...The price is comparable to that of AliExpress, Temu, and Shein, with a commission of 20%(Excluding shipping costs) of the order amount for each order. Any product can be purchased, except for those prohibited from consignment at the bottom of the shopping guide page. After the person who takes on the task receives the order, I will provide the shopping guide with the specific operating steps And send him the website address. After the recipient places an order on my website (all payments are made through PayPal, and there is no logistics record to apply for a refund through PayPal. If you have cooperated multiple times, you will know my trust level), and then based on the order amount, I will post a task on Freelancer. The amount of the order task is 20% (Excluding shipping cost...

...The price is comparable to that of AliExpress, Temu, and Shein, with a commission of 20%(Excluding shipping costs) of the order amount for each order. Any product can be purchased, except for those prohibited from consignment at the bottom of the shopping guide page. After the person who takes on the task receives the order, I will provide the shopping guide with the specific operating steps And send him the website address. After the recipient places an order on my website (all payments are made through PayPal, and there is no logistics record to apply for a refund through PayPal. If you have cooperated multiple times, you will know my trust level), and then based on the order amount, I will post a task on Freelancer. The amount of the order task is 20% (Excluding shipping cost...

I have a profile page for logged in users, and he needs to sign up for some preferences. The code will be in HTML - I need it to be saved in the database and integrated into my website on the individual profile page. The code model is this:

I am currently facing issues with my Pterodactyl panel on my Digital Ocean server. I need an experienced front-end developer to solve the following problems: - Login - An error message is displayed during the process. The specific error message I receive is "404 not found". - Dashboard - It isn't loading properly. I only see a blank screen when attempting to load the dashboard. The ideal freelancer for this project should have substantial experience with nginx and the Pterodactyl panel. They should be comfortable with resolving errors and troubleshooting server issues.

I need a proficient research professional to craft strategically formulated survey questions. The queries must be well-positioned to collect participant's feedback, gather demographic details, and ascertain the diverse satisfaction levels of the target population. Specifically, these requirements should be met: The survey questions must align with the research questions and hypothesis to investigate from the proposal. The proposal will be provided - The survey should cater to all the defined age groups: 18-25, 26-40, and above 40. - The questions must be equally applicable to both Male, Female, or non-binary genders. Ideal skills and experience: Research, survey questionnaire creation Remember, the ability to make the questionnaire engaging yet informative is paramount here. I...

Set up MailWizz and run several tests to verify that bulk sending emails is working properly. The personalization of emails consists in include information extracted from the Excel file (MailWizz ) and insert it into the text of the email (MailWizz Test ) Likewise, the freelancer will teach how it works to be able to carry out the next campaigns autonomously. To do this, the freelancer will make a video tutorial.

I've got an image that needs some editing. This will require both changing the current text, specifically the logo, and the creation of an abstract inspired counterpart using a different figure. Ideal Skills & Experience: • High proficiency in photo-editing and graphic design software • Experience in abstract design • Ability to replace objects in images • Creativity in text design, particularly for logos You'll be enhancing my existing image, ensuring alignment of the logo with my vision of an abstract aesthetic, and crafting a copy with a new abstract figure. In the end, hoping to have two beautifully presented images - One edited and another, an abstract recreation!

...content creator who can assist in developing engaging and relevant content for our social media channels. The goal is to boost brand awareness, drive traffic to our company's website, and actively engage with our audience. Key Responsibilities: - Create engaging, high-quality and shareable content for Facebook, Instagram, Twitter, Youtube, and Tiktok - Ensure that all content is aligned with our brand and key messaging - Strategically plan and schedule content to maximise reach and engagement - Monitor and respond to audience comments and messages in a timely and appropriate manner - Collaborate with our marketing team to implement content strategies that align with our business goals The ideal candidate for this role has proven experience in social media content c...

As a restoration company, we're in need of someone who can proficiently extract data from our previous software, consisting of approximately 400 job records. The data you'll manage includes: • Documents • Proposals • Estimates and other related records • Messages in timeline format (need extracted as word) The goal is not only to retrieve this data but also arrange all the information extracted from each job into a single file. The perfect file formats for us are Word and PDF. Also, the timeline from the 'messages' tab needs to be included in the data. If you have skills in: • Data scraping • Data organization • Document conversion into Word and PDF formats Your expertise could be invaluable to us. We require the proj...

...who can skillfully handle Facebook, Instagram, and Twitter for my business based in Nigeria. • Content Creation: Regular, valuable, and engaging content catered to a Nigerian audience is crucial. • Social Media Scheduling: The ability to strategically schedule posts for optimal engagement is key. • Engaging with Followers: Prompt and appropriate response to comments, questions, and direct messages to foster community and encourage brand loyalty is necessary. The primary goal of this endeavor is to raise brand awareness substantially. I'm seeking someone with experience in social media management, particularly with a Nigerian audience, content creation, and audience interaction. A strong communicator who is adept at using analytics to drive decision-mak...

...discover more about your subject. Then, with a specific audience in mind, report your findings. Remember, a report presents the information that you find; it should not argue for or against any idea or plan. Your final essay should be 3-5 pages of text with an additional Works Cited page. You are required to use 3-5 outside sources for this essay. At least one source must come from a MAC library database. The Bible may not be used as a source. You may use websites, but beware! Websites that are not reputable may lead to an automatic F. You can always send me a link to a website that you’re interested in using and I’ll provide feedback on whether it’s a good source to use. Accurately quote, paraphrase, summarize, and document information from source mate...

I want ERP and CRM package software with Saas version standard features and menus. The features I want add python, node js, golang, java, javascript example: The investment I made. I want to receive it as soon as possible. ready package software. or redoing it from scratch. using open source No problem.

I want ERP and CRM package software with Saas version standard features and menus. The features I want add python, node js, golang, java, javascript example: The investment I made. I want to receive it as soon as possible. ready package software. or redoing it from scratch. using open source No problem.

As an owner of a traditional business website, I'm currently having issues with my site. Specifically, I'm experiencing error messages and challenges in accessing WordPress. cPanel show several errors (see attached screenshot). - Experience with cPanel - Skills in troubleshooting and resolving problems with WordPress. - Experience in updating and maintaining WordPress. - Ability to update the WordPress site All website files look to be safe in the hosting. Please, note that this job may require some backend work to restore and maintain the website. Ultimately, I need my simple, business webpage to be functional and flawless again. With your invaluable expertise, I look forward to fast, effective, and quality work. Thank you.

I need professional help to accurately enter and organize text data in an Excel sheet. The text has to be arranged in alphabetical order. I'd also appreciate some expert input in making the document more readable with the appropriate font styles. Ideal Skills and Experience: - Proficiency in Microsoft Excel including formatting - High accuracy in data entry - An understanding of best practices when it comes to data organization - Strong attention to detail and ability to follow specific instructions Requirements: - Type text data into Excel Sheet - Organize data in alphabetical order - Apply appropriate font styles to improve readability.

I need a reliable and organized virtual assistant based in Delhi-NCR to help me with various tasks. Responsibilities: - Email Management: Handling and organizing my email correspondence, flagging important messages, and drafting responses. - Appointment Scheduling: Coordinating and scheduling my meetings, calls, and other appointments. - Social Media Management: Assisting in managing my social media accounts, creating and scheduling posts, and engaging with followers. I am looking for an entry-level virtual assistant with a positive attitude and excellent organizational skills. The ideal candidate should be based in Delhi-NCR, as some tasks may require in-person assistance. Communication: I prefer communication primarily through email. Therefore, prompt and clear email communica...

I'm in need of a talented graphic designer to create a fun and quirky text-based logo that can be used both online and in print. Key Requirements: - Text-based logo: I'm looking for a logo that primarily uses text, rather than an icon. - Fun and quirky style: The logo should be vibrant, playful and eye-catching, to appeal to a wide audience. - Versatile: The logo should be suitable for use across both online (websites, social media) and print (business cards, flyers) mediums. Ideal Skills and Experience: - Extensive experience in graphic design and creating logos, particularly text-based ones. - A strong portfolio that showcases your work in fun and quirky styles. - Ability to create designs that are both visually appealing and versatil...

I'm looking for a skilled web developer to build a custom website for text-to-speech conversions. I require the ability to download these conversions as .wav or .mp3 files. Key Features: - Text-to-Speech and speech downloads: The website’s main function is to convert entered text to speech and provide users with the option to download the resulting audio in .wav or .mp3 format. - Subscription Service: A subscription model is required where paying subscribers gain premium functions. Premium Functions: - Access to premium voice types: Users who subscribe to the premium service will have access to a wider variety of voice types for their conversions. - Limitless conversions: Subscribers will have the ability to make unlimited text-to-speech...

...conversation with ChatGPT. Now this inputs that were manually insert to ChatGPT are provided to you. And you are to create a script that can automatically create the landing page using the prompts and OpenAI API. I need a script that I can either put in the series of prompts as one prompt or loop through the prompts as an array of input. The output can be a sub text that I can combine to form the landing page in question or the complete landing page. When creating the sub text from the series of prompts, OpenAI should see the individual prompts and outputs as a chain of conversation like when doing the prompt manually through ChatGPT. Also, I want to be able to input a large text such as a complete landing page and input a series of prompts (questions...

I am looking for a skilled developer to create a custom connector for the Prompt Mixer, which interacts with the LlamaIndex chat engine. The goal is to build a connector that functions as a chat engine, leveraging models from OpenAI. 1. Connector Development: - Follow the structure as described in Prompt Mixer’s documentation to create a new connector: Create a Custom Connector Tutorial (). 2. Integration with LlamaIndex Chat Engine: - Implement the functionality as outlined in the LlamaIndex documentation for creating a chat engine (). - Ensure the interaction can handle conversational queries using the LlamaIndex's `ContextChatEngine` class. 3. Document Loader with