[Feature Request] Add /msgtoggle

[SnowzNZ]

So you can choose if you can be messaged or not
A permission to use this and bypass this would be good

[LucaFontanot]

UP. This should be a default. On big servers if you invite content creators this is a problem

[SnowzNZ]

UP. This should be a default. On big servers if you invite content creators this is a problem

You can build my fork if need be.