VanillaDisable

Added new gamerule category for toggling enchantments, e.g. fire aspect.

Added new gamerule category for toggling worldgen features, including features for:

• toggling whether certain structures generate
• toggling whether certain generation features generate
• toggling whether the end spawn platform generates

Added a gamerule to the fluids category for toggling whether bubble columns work.

Added some gamerules to the mobs category, including gamerules for:

• trading with villagers
• bartering with piglins
• withers being able to spawn

Fixed a bug where the absorption effect gamerule didn't show up properly in the gamerule menu.

Fixed a possible bug where mob categories' despawn toggle doesn't work.

Fixed a bug where villagers can despawn (#4).

Implemented a Mixin Configuration Plugin using CaffeineConfig (now bundled).