Add a `setgame` and `setstatus` command

[StrangeRanger]

Is your feature request related to a problem? Please describe. Currently, the only way to set the bot's game and status is by manually going in and editing the data in the database. This can be annoying and is not easy for people who don't know much about MongoDB.

Describe the feature you'd like in detail Add both of these commands:

setgame — Sets BulletBot's game status (i.e., ?!setgame Watching Evan make another video --> "Watching Evan make another video")

setstatus — Sets BulletBot's activity status (i.e., ?!setstatus offline --> Status = Offline)

Additional information/context SHOULD ONLY BE USABLE MY BOTOWNERS