UltimateMobCoins

Changes:

• Added give random command to give a random number of mobcoins between two values.
• Update item when drop amount changes in the event.
• Bump Kotlin version to 2.2.0.
• Enhanced command help functionality with configurable messages.
• Added functions to the UserManager class that can be used without kotlin coroutines.
• Removed libreforge hook since the effects for libreforge is now included in libreforge itself.
• Refactored some code.