Fixed bug where you can't go out of staff gui by barrier.
Added to config switchable commands.
Prepared plugin for 1.3 with report command

Fixed bug

Added /staff gui and /msgplayer [name] [message]

Commands
/staff gui - shows gui of online staff
/msgplayer [name] [message] - writes admin message (no admin names) to player

Permissions
ma.msgplayer

Fixed bugs and tested all versions

Updated plugin for 1.16+ adn moved /mainfo to /ma reload/info