To-Do list

- UI: Piano roll
- UI: Volume control
- UI: Playback control
- Sound: Buffering.
- Sound: Simple tonal synth
- Build: WebAssembly
- Sound: Kick, snare, cymbal
- UI: Track composing
- Biquad filter
- Fourier transform
- UI: Spectrum view
- UI: Wave view
- Improve X11 startup time

Done

- Script for fetching dependencies.
- nanovg and miniaudio setup.
- Build: Faster recompilation