Add System Flag or Prop to Catalog Parameter Constraints

[aj-stein-nist]

User Story

As an OSCAL tool developer, in order to understand what organization and whom controls a constraint added to a parameter, I would like a method to properly track what organization creates or maintains a given parameter constraint.

Goals

Find a solution to resolve feedback in model review here david-waltermire#52 (comment).

Dependencies

No response

Acceptance Criteria

• All OSCAL website and readme documentation affected by the changes in this issue have been updated. Changes to the OSCAL website can be made in the docs/content directory of your branch.
• A Pull Request (PR) is submitted that fully addresses the goals of this User Story. This issue is referenced in the PR.
• The CI-CD build process runs without any reported errors on the PR. This can be confirmed by reviewing that all checks have passed in the PR.