New content:
- config section pianoserver has been move to plugin.websocket
- Desktop app has new panel for keyboard key mapping to piano keyboard
- New particle effect "Heart"
- Button for Enable/Disable piano gui HitBox
>permission `piano.show-gui-hitbox`
Improvements:
- plugin generates file documentation.yml so you can
quickly see all permissions/commands/config with detailed description
Fixes:
- Old piano model was not deleted after server shut down