Add `doc/Consumer.md` with info about RTP rewritting.
Add `doc/Consumer.md` with info about RTP rewritting.

versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,ibc/MediaSoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,versatica/mediasoup,ibc/MediaSoup,versatica/mediasoup,ibc/MediaSoup,versatica/mediasoup