更新README-新增UWP示例

Author: fengyhack

README.en-US.md

@@ -20,6 +20,8 @@ Want to know more about how to using this SDK? Are you trying to find some code
 
 * [SDK manual | examples](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.7/index.html)
 
+Or if you want to develop UWP apps, see this demo: [github | csharp-sdk-example-uwp](https://github.com/fengyhack/csharp-sdk-example-uwp)
+
 ##How-to-install
 
 Releases can be found [here](https://github.com/fengyhack/csharp-sdk-shared/releases), choose the one you need and unzipped it, then add reference to the *.dll file in your project.

README.md

@@ -20,6 +20,8 @@
 
 * [C# SDK使用指南 | 代码示例](http://oiy037d6a.bkt.clouddn.com/csharp-sdk-man-v7.2.7/index.html)
 
+如果您想开发UWP引用，您也可以参考这个示例：[github | csharp-sdk-example-uwp](https://github.com/fengyhack/csharp-sdk-example-uwp)
+
 ##如何安装
 
 当前最新版本及最新改动同步在master分支。