Optimize the music play experience

1. TypeScript 重写
2. 支持MV播放，评论
3. 支持音乐下载管理
4. 支持音乐云盘(目前只支持七牛云存储)，支持从本地上传和一键导入两种方式
5. 支持从指定位置播放
6. Mac 版支持 LRC 歌词显示

下载：
Windows: https://static.i5sing.com/app/i5SING_0.2.0.exe
MacOS: https://static.i5sing.com/app/i5SING_0.2.0.dmg
CentOS: https://static.i5sing.com/app/i5SING_0.2.0.rpm
Ubuntu: https://static.i5sing.com/app/i5SING_0.2.0.deb

1. Feature: Movie comment
2. Bug: Fix Tray not display sometime

Using Typescript rewrite.

New Feature

New UI design.
Support movie play.
Support music download.
Support cloud disk.

1. Support Mac OS 10.13
2. Fixed get user songs api, using fixed default page size.

Download: http://i5sing.com