Update to 1.21.10

• Make database name configurable
• Transfer to json for configs; Migrate your configs after update!

1. Fixed a bug where the incorrect number of items was restored
2. Fixed a bug with armour removal for offline players
3. Fixed a bug where items in the Ender Chest were loaded together with the inventory, which slowed down performance
4. Changed database url connection, see mod configs

(Bug fix)0.1.11a(1.21.8) Fixed bug with date type in ORMLite entity

Refactor code and change license to LGPLv3