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.github/pull_request_template.md

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+## Buildtools PR checklist
+
+- [ ] The code in this PR is covered by unit/integration tests.
+- [ ] I have tested these changes and provide testing instructions below.
+- [ ] I have either responded to, or resolved all Gemini comments on the PR.
+- [ ] I have read Google Eng Practices on [Small Changes](https://google.github.io/eng-practices/review/developer/small-cls.html), this PR either follows these guidelines or the description provides reasoning for why they can not be followed.
+
+## Description
+
+What does this PR do? Please follow [Google Eng Practices - Description](https://google.github.io/eng-practices/review/developer/cl-descriptions.html)
+
+### (optional) These changes were tested using the following steps
+
+Steps to reproduce / test the PR changes (if anything besides unit tests).