Camera for OBS

Based on https://github.com/PeterL1n/RobustVideoMatting/tree/tfjs

Open https://qhduan.github.io/camera/

Change size, bigger is slower, default is 320x240:

https://qhduan.github.io/camera/#size=480x320

Change background color:

https://qhduan.github.io/camera/#color=255,0,0

Change size and background color:

https://qhduan.github.io/camera/#size=480x320&color=255,0,0