PULL_REQUEST_TEMPLATE

# Description

Please include a summary of the change and which issue is fixed.
Please also include relevant motivation and context. 
List any dependencies that are required for this change.

Closes # (issue number)

## Type of change

Please delete options that are not relevant.

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
- [ ] This change requires a documentation update
- [ ] This requires a run of `yarn install`

# How Has This Been Tested?

Please describe how you tested this PR (both manually and with tests)
Provide instructions so we can reproduce. 

- [ ] Test A
- [ ] Test B


# Checklist:

- [ ] I have performed a self-review of my own code
- [ ] I have commented my code where needed 
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream modules