Replace deprecated `onaudioprocess` by AudioWorklet and Worker

[shazz]

Resources:

• design pattern: https://developer.chrome.com/blog/audio-worklet-design-pattern/#handling-buffer-size-mismatch
• requires AddModule: https://github.com/processing/p5.js-sound/issues/469#issuecomment-622614866
• Parameters passed to a AudioWorklet MUST be serializable (so no DOM, so WASM instance. WASM binary can be passed but need to then be instanced and so a dup):
  • https://stackoverflow.com/questions/65673325/best-way-to-call-wasm-module-functions-in-audioworkletprocessor
  • https://developer.mozilla.org/en-US/docs/WebAssembly/JavaScript_interface/Module#sending_a_compiled_module_to_a_worker
• Ring Buffer JS implementation: https://github.com/GoogleChromeLabs/web-audio-samples/blob/gh-pages/audio-worklet/design-pattern/lib/wasm-audio-helper.js#L170
• Existing impl: https://github.com/h1romas4/libymfm.wasm/tree/main/examples/web/src/js