Create Chat Bot for our Gitter Chat Channel

A bot to automate logging of specific tagged messages from our gitter chat channel. Bot should be hubot-based. We want messages logged to a document in google docs or a gist. Tags are like +todo or +standup. You can find more details here about the job: https://hackmd.io/IYJg7AHAjBDGCcBaCYBGxEBYBsIqNQDMBWJWETTEAEwFMdrrYg== (plain text formatting is not always great!)