[SuperSimple] InventoryLockdown

Overview
Simply prevent players from moving items from within specific inventory slots.

Config

## List of slots disabled for all players without permissions.
##    -> Override permission: locked.override.[slot]
##    -> e.g. locked.override.1
##    -> for access to all slots: locked.override.*
locked-slots:
  - '0'
  - '1'
  - '2'
  - '3'
  - '4'
  - '5'
  - '6'
  - '7'
  - '8'