Anvil Crushing Recipes

Minor fixes and improvements

From 2.0.0-b1:

• Updated for 1.21.2-1.21.3
• Rewrote much of the mod
• Reworked how entities are crushed so they can be crushed in stacks instead of only when an anvil lands on a block
• Added additional (optional) ingredient settings
  • "damage_to_anvil"
  • "prevent_anvil_fall_damage"
  • "anvil_fall_distance"
  • "anvil_speed"
  • "flat_entity_damage" (entity ingredients only)
  • "entity_damage_pre_block_fallen" (entity ingredients only)
• Added additional (optional) ingredient filters
  • "nbt"
  • "state" (block ingredients only)
  • these can be attached to either ingredients themselves or individual ingredient entries
  • these make use of an extensive system of matchers that can be combined to match almost anything
• Added the ability to attach custom advancements to recipes and added easter eggs
• Added datagen, gametests, and unit tests

A cumulative changelog can be found here