readme.md minor updates
readme.md minor updates

kilyoun/RTCMultiConnection,Anupammallick/FRDChat,asimashfaq/RTCMultiConnection,adultdolphin/RTCMultiConnection,codeda/RTCMultiConnection,muaz-khan/RTCMultiConnection,kilyoun/RTCMultiConnection,asimashfaq/RTCMultiConnection,adultdolphin/RTCMultiConnection,codeda/RTCMultiConnection,muaz-khan/RTCMultiConnection,Anupammallick/FRDChat