Update system identifier-type and FedRAMP extension namespaces - Issue 773

[Rene2mt]

[DO NOT MERGE] Work In Progress (WIP)

Committer Notes

This ADR documents proposed options going forward for identifier-type, system attribute, and FedRAMP extension prop namespaces. This is part of issue #773 and reported issue #769

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.

[kyhu65867]

I like this. Clear and understandable, I especially like how you explicitly called out the http versus https distinction because that might be hard to spot initially.

[aj-stein-gsa]

@Rene2mt, update the checklist and I shall review, thanks in advance!

[aj-stein-gsa]

I'll be a contrarian here.

[Gabeblis]

I think this all looks really good! The context and possible solutions are clear. Just some minor suggestions for readability and fixing typos.

[Gabeblis]

LGTM

[kyhu65867]

This looks good to me. Ship it!

[wandmagic]

lets get it

stale