Changelog:
- Support for Minecraft 1.21 ⚔️ (closes #29, #41, #42, #44)
- Copied the contents of the legacy folders to their new names and removed unused code
- Used new enchantment check format in predicates
- Updated menu trigger to use advancements instead and added menu message header
- Fixed performance overlay for Minecraft 1.20.2+ not having an effect
- Updated LICENSE