## What does this PR do?Add Resource(s) | Remove Resource(s) | Add info | Improve Repo## For resources### Description ### Why is this valuable (or not)### How do we know it's really free?### For book lists, is it a book?### Checklist:- [ ] Not a duplicate- [ ] Included author(s) if appropriate- [ ] Lists are in alphabetical order- [ ] Needed indications added (PDF, access notes, under construction)
