Conduct and synthesize first round of HT user interviews

[amyashida]

Brief description of the task

This is a follow up from #209 - plan research

What steps are needed to make it a reality?

• [x] Add async feedback form to HT
• [x] Conduct interviews with 3 SOs
• [x] Synthesize feedback into findings and user stories for the HT roadmap
• [x] Schedule roadmap review