Moved database connection settings from config.json to a new file named database.json.
The plugin automatically migrates data from config.json to database.json during an update if database settings are present. No manual action is required by users.
New Features:
Clan Alliances:
Prepared the system for clan alliances.
A new database table is created for alliances.
PvP between allied clans is automatically disabled if alliances are manually added to the table.