Feature Request: Ability to link to a raw .md file for the bot to parse as the update message

[EzioTheDeadPoet]

The current /commands for the new Bot are great, but having to use \n in updates makes it less intuitive to write update posts.
This is why I would propose an alternative solution, that allows you to host a raw markdown file on for example github, for which you only need to put the link in for the bot to know to craft the message using that markdown file.

It could also be made optional to store the last used link so people just make a new commit on their message to update the latest changelog and the bot remembers the link for that list.

This isn't a strongly needed feature but one I would find nice.