Idea: Run a Markdown linter over the output

[pamelafox]

I found a Ruby package but the Python package that I found was real old. Be nice to check README.md

[kjaymiller]

What was the python package? I wonder if it's something that we could get up to date and use or if there's some guidance for basic linting similar to the VS Code Extension.

Also it looks like markdownlint is available via pre-commit. This could be something that gets added to the repos.