ios: add support for a Metal based video renderer 🤘🤘🤘
ios: add support for a Metal based video renderer 🤘🤘🤘

It's used by default on supported platforms.

zxcpoiu/react-native-webrtc,zxcpoiu/react-native-webrtc,zxcpoiu/react-native-webrtc,zxcpoiu/react-native-webrtc,zxcpoiu/react-native-webrtc,zxcpoiu/react-native-webrtc