[Participating] user scenarios to help with revision

from @SteveALee 

- I want to provide some feedback
- I want keep up to date with key announcements
- I want to follow discussions (or meeting minutes)
- I want to discuss a single topic
- I want to share my experience in some depth to improve resources
- I want to fully engage with the task force for a short while
- I want to join the the task force long term
