Readme增加文档链接

CoderMikeHe · CoderMikeHe · commit 6435887b7384 · 2019-11-28T17:29:53.000+08:00
diff --git a/README.md b/README.md
@@ -34,6 +34,7 @@
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 ### 四、文档
+- [Flutter 玩转微信——通讯录](https://www.jianshu.com/p/8d136f31b8a2)
 
 
 ### 五、预览
