New command, bug fixes, and optimization to kill counters
Fixed ranking up without groups created in LuckPerms
Fix showing potion name in Rank Up GUI instead of potion ID
Updated kill counting to properly manage in database
Updated /rq killcount to require proper syntax
New Command: /rq killtop {PlayerName | MobName}
/rq KillTop PlayerName - display top 10 kills for specified player
/rq KillTop MobType - display top 10 kill counts (players) for specified mob (for PVP kills use MobType "Player")