add donate badge

README.md

@@ -10,7 +10,7 @@
 [![devDependency Status](https://img.shields.io/david/dev/DIYgod/dplayer.svg?style=flat-square)](https://david-dm.org/DIYgod/DPlayer#info=devDependencies)
 [![npm](https://img.shields.io/npm/dt/dplayer.svg?style=flat-square)](https://www.npmjs.com/package/dplayer)
 [![Travis](https://img.shields.io/travis/DIYgod/DPlayer.svg?style=flat-square)](https://travis-ci.org/DIYgod/DPlayer)
-[![%e2%9d%a4](https://img.shields.io/badge/made%20with-%e2%9d%a4-ff69b4.svg?style=flat-square)](https://www.anotherhome.net/)
+[![donate](https://img.shields.io/badge/$-donate-ff69b4.svg?style=flat-square)](https://github.com/DIYgod/DPlayer#donate)
 
 ## Introduction