RN 0.69.9 backup.

1. [opt] Remove unused comments.
2. [feature] Add new components.
3. [opt] Remove empty file.

• 更新版本至 0.66.4;
• 基于 Hooks 重构页面；
• 增加注册功能；
• 增加更换头像功能；
• 整体动画优化（lottie）；
• 增加国际化英文支持；

• Updated version to '0.66.4';
• Refactor the page based on 'Hooks';
• Add registration function;
• Added the function of changing avatar;
• Overall Animation Optimization (Lottie);
• Added international English support;

即将进行RN大版本升级，以此先保留一版原版本，之后版本会有较大改变。

Upgrade of major version of RN will be carried out soon. In this way, the original version will be retained first, and there will be major changes in later versions.

目前功能包含： 1.图片选择； 2.扫一扫； 3.换肤； 4.redux+redux-persist+redux-logger+redux-thunk; 5.接口及网络请求集成；

The current functions include:

1. Picture selection;
2. Scan;
3. Skin change; 4.redux+redux-persist+redux-logger+redux-thunk;
4. Interface and network request integration;