Add a Nox session to seed data for a datamap

[ThomasLaPiana]

Closes #1417

Code Changes

• [ ] add a command that seeds the demo_resources

Steps to Confirm

• [ ] a full, valid datamap can be exported after running this command

Pre-Merge Checklist

• [ ] All CI Pipelines Succeeded
• Documentation Updated:
  • [ ] documentation complete, or draft/outline provided (tag docs-team to complete/review on this branch)
  • [ ] documentation issue created (tag docs-team to complete issue separately)
• [ ] Issue Requirements are Met
• [ ] Relevant Follow-Up Issues Created
• [ ] Update CHANGELOG.md

Description Of Changes

Write some things here about the changes and any potential caveats