version 1.3

Heck yeah, CS-16 update!!

[added] note name display on steps
[added] support for system font
[added] cool animations! (and an option to turn off the main screen movement animation)
[added] pattern/instrument copy and paste
[added] new sample pack (drummy) and song (init)
[added] better visualizer setting
[added] credits
[changed] settings screen to have folders
[fixed] error if setting wasn't in settings.json, or if type is different from usual
[fixed] crash if start point of a sample is set too high or low

thanks to justyouraveragehomie on GitHub for requesting these features!!

[added] waveform view when sampling
[added] realtime step recording with quantization