Registrar

Registrar 0.1.0

• Add SpecialRegistrant and special package
• Add AttachmentTypeRegistrant, which extends SpecialRegistrant
• DynamicRegistrant now extends SpecialRegistrant
• Add GameRuleRegistrant and DelayedGameRuleRegistrant (closes #1)
• Add shared package and interfaces with default methods for regular and delayed registrants
  • This change affects registrants for attributes, block entities, blocks, data component types, entity types, game rules, items, potions, sound events, and status effects.
• Reflective BlockItem registration is now available pre-26.2
  • Add suppressIdWarnings to ConstructItem for 26.2
• BlockItems now use block translation prefix by default to match 1.21.1
• Documentation in README