Feat: 1.20.x support
Fix: crashes on some versions due to arch-loom using the wrong refmap name
Refactor: Moved entire code to be inside a mixin instead of a wrapper screen
Fix: "Stop all music?" option wasn't loaded correctly.
Feat: 1.21.5 support
Feat: added optional configurable background music
Feat: added an option to toggle whether the heart is centered or not
Feat: added an option to toggle whether the heart is neatly animated from the heart position to the center of the screen