0.5.0

Dev/0.5.0 (#44)

* docs: add change log

* docs: update read me

* docs: update readme

* [Android]Optimize room speed, fix music player bug and etc.

* [Android]update app version.

* update rtm

* [Android]update uikit version.

* [Android]adjust code.

* [Android]update uikit version.

* update podfile

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Co-authored-by: wushengtao <tamworth@163.com>
Co-authored-by: yiwangwuqianfjp <fan_jun_peng@163.com>