Document minimum required permission

[gr2m]

See #74 (comment)

[github-actions]

This issue has been marked stale because it has been open for 180 days with no activity. Please close this issue if it is no longer needed. If this issue is still relevant and you would like it to remain open, simply update it within the next 60 days.

[jarkad]

Please re-open. This is very much relevant.