webrtc-try

First trying webrtc

The first fight with webrtc. Steps for use:

1. Run the signaling server by npm start
2. Open index.html (also open again on different tab or window for other user)
3. Type ws://localhost:3001 into signaling server address
4. Enter your username and remote username (who you want to connect)
5. Press to "Connect to server"
6. Select your devices
7. Press call