Iridium Skyblock

just a smol patch

• All entities are now cleared from the region on island delete/regen.
• Added defaultIslandName config option to set the default name of an island (use %owner% to get player's name).
• Optimized placeholders & top scoreboard via a new caching system.
• Optimized database calls to improve performance.
• Added getOwner() and getMembers() API methods and fixed an issue where the instance could be null.
• Fixed an issue with island settings not being disabled.
• Optimized the IridiumSkyblock world check for performance.
• Updated dependencies.