Fill out the ISPO Guide

[jeffabailey]

https://docs.google.com/document/d/1_QvAx3XGNfy6v_kpbo1Yd-H026vn_T6tOPb1OQJwj8A/edit?usp=sharing

[github-actions]

This issue is stale because it has been open 30 days with no activity. It will be closed in 5 days if no further activity occurs.

[github-actions]

Closing this issue due to prolonged inactivity.