Warning to use chrome

[ColinRoitt]

Add a warning, perhaps on the mic select screen to use google chrome if a different browser is detected.

[ashhhleyyy]

or we could, y'know, fix the issue with FF (iirc webstudio was written before webaudio was fully standardised, so it should just be a couple of tweaks to get it working)

[ColinRoitt]

well volunteered