Fix ordering

Author: vhf

free-programming-books-zh.md

@@ -507,11 +507,11 @@
   * [七天学会NodeJS](http://nqdeng.github.io/7-days-nodejs/)
   * [使用 Express + MongoDB 搭建多人博客](https://github.com/nswbmw/N-blog)
 * React.js
+  * [Learn React & Webpack by building the Hacker News front page](https://github.com/theJian/build-a-hn-front-page)
   * [React Native 中文文档(含最新Android内容)](http://wiki.jikexueyuan.com/project/react-native/)
   * [React webpack-cookbook](https://github.com/fakefish/react-webpack-cookbook)
   * [React 入门教程](http://fraserxu.me/intro-to-react/)
   * [React.js 中文文档](http://reactjs.cn)
-  * [Learn React & Webpack by building the Hacker News front page](https://github.com/theJian/build-a-hn-front-page)
 * underscore.js
   * [Underscore.js中文文档](http://learningcn.com/underscore/)
 * [You-Dont-Know-JS](https://github.com/getify/You-Dont-Know-JS) (深入JavaScript语言核心机制的系列图书)