增加编译优化

Author: skyming

README.md

@@ -76,6 +76,9 @@ TODO：
 * [蘑菇街App Chromium网络栈实践](http://www.infoq.com/cn/articles/mogujie-app-chromium-network-layer)
 * [蘑菇街高并发多终端无线网关实践](http://www.infoq.com/cn/presentations/mogujie-high-concurrent-multi-terminal-wireless-gateway-practice)
 
+#### 编译优化
+* [Optimizing-Swift-Build-Times](https://github.com/fastred/Optimizing-Swift-Build-Times)
+
 #### APM 
 * [网易 - NeteaseAPM iOS SDK技术实现分享](http://mp.weixin.qq.com/s?__biz=MzA3ODg4MDk0Ng==&mid=2651112215&idx=1&sn=9cc5b5fa630542a6d4b7a5626e35217a#rd)
 * [网易乐得 - iOS无埋点数据SDK实践之路](http://www.jianshu.com/p/69ce01e15042)