Sound Improvements and Bittboy platform

[jtothebell]

Features:

• Add SFX effect support
• Port noise implementation from PicoLove for better Noise instrument

Fixes:

• Fix a bug in sspr() where pixels where every other pixel was swapped when flipped horizontally
• set debug to nil to match pico 8's lua implementation

New Platform- Miyoo CFW for bittboy devices

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This discussion was created from the release Sound Improvements and Bittboy platform.