Update project documentation

What does this MR do and why?

Updates projects docs to support #23 (closed).

These docs are not complete as the site is not yet feature-complete; we will be making another pass on these via #42.

Merge request acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this merge request.