Covid jupyter notebook and housing changes

[forrestdip]

Description

Closes: Errors in the Housing Prices example #803

For review of Nilay. I created a Covid Jupyter Notebook with a new yaml. I also believe I ahve fixed two errors found in Housing prices, One from the taxes yaml and the other from the heatmap jupyter notebook

Checklist before requesting a review

• [ ] Unit and integration tests added
• [ ] Compatibility:
  • [ ] Network APIs: ✅
  • [ ] Workspace layout and metadata: ✅
  • [ ] Configuration: ✅
  • [ ] Container images: ✅
• [ ] Documentation:
  • [ ] Changelog: ✅
  • [ ] Public documentation: ✅
• [ ] Downstream effects:
  • [ ] kamu-node: ✅