Agora RTC Objective-C API Reference Refactor

Examples
Here is a list of all examples:

- setPlayerOption(AgoraRtcMediaPlayerEnableAudio,0)
- setPlayerOption(AgoraRtcMediaPlayerEnableSearchMetadata,0)
- setPlayerOption(AgoraRtcMediaPlayerEnableVideo,0)
- setPlayerOption(AgoraRtcMediaPlayerRealTimeStreamAnalyzeDuration,1000000)
- setPlayerOption(KEY_PLAYER_DISABLE_SEARCH_METADATA,0)
- setPlayerOption(KEY_PLAYER_ENABLE_AUDIO,0)
- setPlayerOption(KEY_PLAYER_ENABLE_VIDEO,0)
- setPlayerOption(KEY_PLAYER_REAL_TIME_STREAM_ANALYZE_DURATION,1000000)
- setPlayerOption(KEY_PLAYER_SEI_FILTER_TYPE,
- {\