add angular2-learning-cn

Author: dolymood

README.md

@@ -130,3 +130,4 @@ AngularLearning
 1. angular2 学习资源集锦：<https://github.com/timjacobi/angular2-education>
 2. angular2 集锦2：<https://github.com/angular-class/awesome-angular2>
 3. 广发证券前端团队的【Angular2开发指南】 <https://github.com/gf-rd/blog/issues/21>
+4. Angular 2 中文资料汇总 <https://github.com/kittencup/angular2-learning-cn>