Auto unsubscribe/remove from usergroup

Good day,

As the title say. This option allows admins or group moderator to add members to a usergroup for a certain amount of time. It's good for forum who have premium members usergroup.

Bump.

Bump, lets vote.

we already have a system that lets you auto enter a group there is not in the other hand a time limit for that member to stay in that group but i don't see any point in it thou so sorry it's a NO SORRYYYYY

Suggestion clean up.