Disconnect+Rejoin using RTCMultiConnection

Replaced HerokuApp URL

Now using muazkhan.com everywhere.

Merge pull request #982 from MikhaelGerbet/patch-1

fix: add compatibility socketIO v3 on socket connect

Dashboard + Video Conferencing + Chat + File Shar...

Dashboard + Video Conferencing + Chat + File Sh...

The Video Conferencing is working only if the two devices are in the same network, not working if different network