fix: Paper loader in some legacy version

fix: Citizens trait

fix: sets minimum interpolation duration

fix: model size

fix: hitbox location and invalid method

BetterModel 1.13.1

Feat

• official 1.21.10 support
• use paper-plugin.yml in Paper platform
• make CommandAPI as runtime
• 'pairmodel' mechanics (experimental)
• 'use-obfuscation' config option

Fix

• ignore group name's case
• add minimum keyframe time

Full change log

fix: add license header

fix: ignore bone case

feat: 1.21.9 Spigot support

refactor: move CommandAPI as runtime library

feat: 'pairmodel' mechanic (experimental)