Mute Jitsi by default

@the

The meeting template link for the virtual meeting room (hackitorium) has been updated to set the camera and mic off when the link is followed, also updated link title to reflect it’s where the meeting is rather than emphasis on it being ‘jitsi’…

Virtual Meeting (jitsi mic/cam off by default)

https://jitsi.noisebridge.io/hackitorium#config.startWithAudioMuted=true&config.startWithVideoMuted=true

if anyone wants to start a jitsi fork for nb deployment would be happy to transition our server to that build/config.