Fix Linter issues

[Zabuzard]

We just added a linter and it reports a lot of issues (obviously):

We should go through them and fix the issues and adjust the config file to our needs while doing so.

[github-actions]

This issue is stale because it has been open 30 days with no activity. Remove stale label, comment or add the valid label or this will be closed in 5 days.

[bowbahdoe]

I fixed the markdown lint stuff in #13. When that is merged i'd call it good

[bowbahdoe]

Addressed