update 'README'

Author: pdliuw

README.md

@@ -36,7 +36,10 @@ If you like the design of flutter_app_sample, feel flutter_app_sample to help yo
 
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-
+Package/Plugin|Description|Link
+---|:--:|---:
+flutter_route|无需context对象的路由管理|[route](https://github.com/pdliuw/flutter_route)
+flutter_scanner|支持作为widget使用条码生成、识别|[scanner](https://github.com/pdliuw/flutter_scanner)
 
 
 ### Render