pull_request_template.md

Summary

Briefly describe the changes in this pull request.

Related issue

Link to the issue(s) this PR addresses, e.g. Fixes #447.

Changes proposed

• …

Checklist

• I followed the CONTRIBUTING guidelines for this project.
• I updated documentation where necessary.
• I ran existing tests (if applicable) and they pass.
• I described the change clearly in this PR.