Refactor the docs process for alpha features

[kristenwomack]

Task List

• [ ] Document current process for alpha feature documentation
• [ ] #4476
• [ ] Review new process with the team

[kristenwomack]

Added new overview in team wiki in progress. This is an overview of Alex's current process and resources.

[kristenwomack]

When there is a new alpha feature to document, follow the steps outlined here.