Resource Data Pack Loader

Changelog:

* Mixin cleanup pass
* Vanilla client checks logging
* Cross-feature gap fixes
* Leaf and plant render defaults
* Earned hearts and diet extras
* Downed state and revive
* Custom enchantments
* Carrying blocks and mobs
* Food variety
* Sleeping bags
* Vein mining
* Trade conditions and score prices
* Dialogue colors and history
* Villager dialog
* Item affixes and gem sockets
* Portway travel blocks
* Anvil and enchanting costs
* Structure map dungeons
* Pack clash rules
* Exposure immunity rules
* Stars behind fixed sky bodies
* Sorted pack file listing
* Ocean fluid key
* Conditional pack lang files
* Fix sky color keys
* HOWTO examples
* Missed HOWTO sections
* Weapon reach and combos
* Stage locks
* More card triggers
* More Baubles/Curios options
* Fix 26.x link
* Boss phases
* Exposure sources
* Mob ranks
* Seasons cycle
* Village plot signs
* Boss bars options
* Environment switches
* Interface naming cleanup
* Sky renderer cache
* Stars behind sun
* Work order rewards
* HOWTO doubled tables
* Raid start commands
* Locate command additions
* Crop harvest
* Spawn conditions
* Pack tooltips
* Dice item and roll card trigger
* Gate team and score options
* Raid points and loot
* Gate unlocks by team and score, and team gate scope
* Time and sapling fortune fix
* Howto table updates
* Biome craters keys