Add："resource"

Author: pdliuw

README.md

@@ -27,7 +27,8 @@ Flutter app sample
 |[中文文档](/README_CH.md)|[English document](/README.md)|[HomePage](https://pdliuw.github.io/)|
 |:-|:-|:-|
 
-[Click，go to the full sample](https://github.com/pdliuw/flutter_app_sample)
+|[Click，go to the full sample](https://github.com/pdliuw/flutter_app_sample)|[Download install apk](https://github.com/pdliuw/Flutter_Resource/blob/master/resource/flutter/apk/flutter_app_sample.apk?raw=true)|
+|:-|:-|
 
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README_CH.md

@@ -26,8 +26,8 @@ Flutter项目示例
 |[中文文档](/README_CH.md)|[English document](/README.md)|[主页](https://pdliuw.github.io/)|
 |:-|:-|:-|
 
-[点我，查看完整项目](https://github.com/pdliuw/flutter_app_sample)
-
+|[点我，查看完整项目](https://github.com/pdliuw/flutter_app_sample)|[下载安装包](https://github.com/pdliuw/Flutter_Resource/blob/master/resource/flutter/apk/flutter_app_sample.apk?raw=true)|
+|:-|:-|
 
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