Send automated changelog messages to participating guilds

[EdgarSaldivar]

• [ ] Allow Guilds to opt out
• [ ] Track changelogs that have already been sent to prevent double sending.

[EdgarSaldivar]

Should this go into a admin only channel? Or in vbots channel?

[dudeofawesome]

I'd say the vbot channel. On that note, I think we need to double check the behavior around creation of the vbot channel.