Update "README"

Author: pdliuw

README.md

@@ -36,10 +36,10 @@ If you like the design of flutter_app_sample, feel flutter_app_sample to help yo
 
 ----
 
-Package/Plugin|Link
----|:--:
-[airoute](https://github.com/pdliuw/flutter_route)|[![pub package](https://img.shields.io/pub/v/airoute.svg)](https://pub.dev/packages/airoute)
-[scanner](https://github.com/pdliuw/flutter_scanner)|[scanner](https://github.com/pdliuw/flutter_scanner)
+Package/Plugin|Description|Link
+---|:--:|---:
+[airoute](https://github.com/pdliuw/flutter_route)|flutter route/navigator|[![pub package](https://img.shields.io/pub/v/airoute.svg)](https://pub.dev/packages/airoute)
+[scanner](https://github.com/pdliuw/flutter_scanner)|flutter barcode|[scanner](https://github.com/pdliuw/flutter_scanner)
 
 
 ### Render