Bot Status
Possible activity values are:
- DONT_CHANGE (Doesn't change the bot status, for when another application is setting it)
- CLEAR (Hides the bot status)
- PLAYING (Sets the bot status to "Playing ...")
- STREAMING (Sets the bot status to "Streaming ..."
- LISTENING (Sets the bot status to "Listening to ...")
- WATCHING (Sets the bot status to "Watching ...")