Add tabs proposal and research skeleton docs (#183)
* Add tabs proposal and research skeleton docs
* Updates to the tabs proposal and research
1. Adds the heading to the proposal page.
2. Remove Working Draft from research page.
3. Removes Anatony section from research page.
* Added proposal information from FAST design
* Tabs proposals updates based on PR feedback
Co-authored-by: Matthew Phillips <phillipsm2@gmail.com>
