[Feature]: Implement Mute/Unmute Audio & Video

[04shubham7]

So, what is it about?

Add buttons to mute/unmute audio and video streams for each participant.

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[saumya1317]

assign this to me @04shubham7

[Shreyanshi210205]

@04shubham7 Please assign this issue to me . I would be working on the UI part for the handling of mute/unmute and similarly for camera too . Also I will be using socket.io events - the toggle-video and toggle-audio to broadcast changes to the other clients and accordingly make the changes to the established connection .

[04shubham7]

@Shreyanshi210205 @saumya1317 whoever will add good PR , I will merge