Prototype rhythm minigame

[12joan]

• Create scene with basic note movement
• Spawn and despawn notess based on data
• Track notes as hits or misses based on player input
• Grade the accuracy of hits
• Add support for sustained notes
• Load note data from a MIDI file
• Support parsing sustained notes from MIDI
• If using pitched notes, play these in Unity
• Play music
• Create sprites for notes and note targets
• Create placeholder background
• Add animations for button presses (flashing the relevant target arrow), fading out note arrows, etc.
• Show the player's score breakdown at the end of the song
• Add pause, restart, quit and other controls

OP#1178
#no-test
#build Test Rhythm Game