Boring Default Game Rules

Changelog

• Rewritten the config system completely, eliminating a heavy library in the mod
  • The config file format hasn't been changed and therefore no compatibility has been broken
• Fixed an issue where changes weren't applied to the default value of feature flag-gated game rules
• Added a confirm prompt to the "Reset Defaults" button
• Optimized the config system as well as the mod itself
• Updated codebase to Minecraft 1.21.5
  • Minecraft 1.21.2-1.21.4 continues to be supported on this version
• Fixed support for Minecraft 1.21.6
• Removed Hissboom JAR processing
• Paved way towards NeoForge support