* revise video restore docs

* delete photos

* Update README.md

* Update install.md

* update readme

* Update README.md

* Update get_started.md

* Update get_started.md

* Update readme en

* Update get_started.md

* Update photo_color_en.md

* add wechaty demo

* Update README.md

* Update README_cn.md

* Update README_cn.md

* Update README_cn.md

* Update README_cn.md

* Update README_cn.md

* Update motion_driving.md

* Update README_cn.md