extensions/stream_flow_extensions library

1. flutter_stream_flow package
2. documentation
3. extensions/stream_flow_extensions.dart

flutter_stream_flow package

1. Libraries
2. extensions/stream_flow_extensions
3. flutter_stream_flow
4. state/ui_state
5. view_model/view_model
6. widgets/flow_builder
7. widgets/flow_ui_state_builder
8. widgets/widgets