implement table-lookup oscillator in boing^3

implement table-lookup oscillator in boing^3

task id: implement-osc

2024-06-10 08:27: Oscillator may be less important at this point... #implement-osc

Originally, the idea was to use this is a proof of concept for the WAV writer. Things have moved forward without needing this.

LFOs are still a thing that would be nice to have though, so I'll keep that in mind.