PULL_REQUEST_TEMPLATE

## Description
A few sentences describing the overall purpose of these textbook changes.

## Questions for the Author
- [ ] Have you updated the weekly learning goals in the pedagogy resource?
- [ ] Have you updated the weekly assessment in Schoology?
- [ ] Have you added links to the source (lucidchart, draw.io) for any diagram?
- [ ] Have you updated the READMEs with links to new or moved resources?

## Todos
Are any of these items still in progress?
- [ ] Section X still needs some more detailed examples
- [ ] Still need to add "Additional Resources"

## Feedback Requested
Please utilize the built-in GitHub Reviewers functionality to assign necessary reviewers. Use this section to further specify portions of the PR that you would like additional or focused feedback on.