[Build] HTML5 support

[EliteMasterEric]

trafficstars

Is this even viable? Can it be done (via emscripten)?

Is there a point to it when most browsers can already decode and play most video types (via openfl.media.Video)?

[ninjamuffin99]

I'll leave a cute lil link to this, in-case it's anything worth looking into : https://github.com/ffmpegwasm/ffmpeg.wasm