introduce user constraints

[wandmagic]

Committer Notes

Introduce constraints on the user object

All Submissions:

• Have you selected the correct base branch per Contributing guidance?
• Have you set "Allow edits and access to secrets by maintainers"?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you squashed any non-relevant commits and commit messages? [instructions]
• Have you added an explanation of what your changes do and why you'd like us to include them?
• If applicable, have all FedRAMP Documents Related to OSCAL Adoption affected by the changes in this issue have been updated.?
• If applicable, does this PR reference the issue it addresses and explain how it addresses the issue?

By submitting a pull request, you are agreeing to provide this contribution under the CC0 1.0 Universal public domain dedication.

[aj-stein-gsa]

I wil review this, but you do want me as assignee, but a review (I am in the fedramp-admins groups FYI). I am just always in a state of being perpetually behind! 😆

[Rene2mt]

@wandmagic should these constraints be updated w/ help-text and help-urls per ADR 9?

[wandmagic]

@wandmagic should these constraints be updated w/ help-text and help-urls per ADR 9?

Added help props and improved messages to include violating UUID

kindly let me know if the URI's i've chosen are appropriate

[aj-stein-gsa]

Looks good so far, just asking to use the URLs for now. help-text and help-markdown can come later.

[wandmagic]

Looks good so far, just asking to use the URLs for now. help-text and help-markdown can come later.

ok should be in there now