Added

• World blacklisting
  • Via commands /biomefog worldblacklist add and /biomefog worldblacklist remove
  • Saved to config/biome_fog/biome_fog_blacklisted_worlds.json

Changed

• Moved configuration files into the config/biome_fog/ directory

Fixed

• Lava fog taking biome fog color instead of normal red color
• Water fog not behaving in the same way as vanilla, with the fog start being close and gradually moving further away after entering the water