update version in pubspec

Author: sachaarbonel

packages/stream_feed/pubspec.yaml

@@ -1,6 +1,6 @@
 name: stream_feed
 description: Stream Feed official Dart SDK. Build your own feed experience using Dart and Flutter. 
-version: 0.1.0
+version: 0.1.1
 repository: https://github.com/GetStream/stream-feed-flutter
 issue_tracker: https://github.com/GetStream/stream-feed-flutter/issues
 homepage: https://getstream.io/