[Documentation] fix broken links, update syntax, improvements to theiameta page

[sage-wright]

This PR closes #711 and closes #638.

🗑️ This dev branch should be deleted after merging to main.

🧠 Summary

This PR updates the documentation by fixing a few broken links, updating the markdown syntax to be more inline with the linter, and making some improvements to theiameta

🔬 Final Developer Checklist

• Documentation and/or workflow diagrams have been updated if applicable

🎯 Reviewer Checklist

• All changed results have been confirmed
• You have tested the PR appropriately (see the testing guide for more information)
• All code adheres to the style guide
• MD5 sums have been updated
• The PR author has addressed all comments
• The documentation has been updated

[Michal-Babins]

Rendered the docs and checked them, links and updates look good.