Is your feature request related to a problem? Please describe.
I want many players to join without authenticating, because they aren't administrator accounts, but if administrator accounts do join, they need to authenticate.

Describe the solution you'd like
The solution I'd like is to have administrative accounts need to authenticate, or just an option for specific users to authenticate.

Describe alternatives you've considered
Making the plugin myself. Yeah I can't code in Java L

Duplicate of #1387, in which I detail why I think this is an unnecessary addition