Fixed assets link

Author: maneesht

data_connect/pubspec.yaml

@@ -67,8 +67,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  assets:
-    - assets/open-in-new-tab.png
+  # assets:
+  # - assets/open-in-new-tab.png
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/to/resolution-aware-images