PULL_REQUEST_TEMPLATE

Description of change

Pull-Request Checklist

• Code is up-to-date with the master branch

• npm run format to apply prettier formatting

• npm run test passes with this change

• This pull request links relevant issues as Fixes #0000

• There are new or updated unit tests validating the change

• Documentation has been updated to reflect this change

• The new commits follow conventions explained in CONTRIBUTING.md