Ioquake3 web version improvements discussion

This is a continuation of the discussions from Web build support with Emscripten and GL4ES by jdarpinian · Pull Request #658 · ioquake/ioq3 · GitHub

@briancullinan2 I tried, pretty cool! How does WASI connect to browser APIs for WebGL/mouse/kbd/audio? Is there a standard runtime for that or is it custom code you wrote?

Unfortunately I see a lot of stuttering and long frames on my MacBook Air M1.