ShockAirHeads

This update primarily focused on user commands & making the config easier to use.

• Added new commands:
  • /airheads create - Create a new AirHead in-game.
  • /airheads tp - Teleport to an existing Airhead.
  • /airheads movehere - Teleport an AirHead to your current location
  • /airheads delete - Delete a given Airhead
• Changed the default config to be empty, preventing loading issues.
• Config location world identifier now supports world name & NamespacedKey
• API now requires a "AirHead Name" when creating via new AirHeadBuilder(String);