https://cdn.jsdelivr.net/npm/xterm@4.19.0/css/xterm.css
https://vjs.zencdn.net/8.10.0/video-js.css
https://vjs.zencdn.net/ie8/1.1.2/videojs-ie8.min.js
https://cdn.jsdelivr.net/npm/xterm@4.19.0/lib/xterm.js
https://vjs.zencdn.net/8.10.0/video.min.js
# webrtc_adapter.js
come from https://github.com/googlecodelabs/webrtc-web
# peerjs
come from https://github.com/peers/peerjs
https://cdnjs.cloudflare.com/ajax/libs/peerjs/1.5.2/peerjs.min.js


