Wish to add new command to add whitelist players

[Coquettishpig]

Feature description

Some players have failed to pass the verification, I want to add a command that can manually add him to the whitelist

Goal of the feature

Prevent some players from being able to join the server

Unfitting alternatives

None

Checking

• [X] This is not a question or plugin creation help request.
• [X] This is a feature or improvement request.
• [ ] I have not read these checkboxes and therefore I just ticked them all.
• [X] I did not use this form to report a bug.