add markdown version of the PR template

Author: orbingol

.github/PULL_REQUEST_TEMPLATE/pull_request.md

@@ -0,0 +1,26 @@
+## Description
+
+<!-- Please include a clear and concise description of the changes and the related issue: Fixes # (issue) -->
+
+## Type of Change
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Breaking change
+- [ ] Documentation update
+- [ ] Refactor
+- [ ] Test improvement
+
+## Checklist
+
+- [ ] Code follows style guidelines
+- [ ] Self-reviewed
+- [ ] Commented code
+- [ ] Docs updated
+- [ ] No new warnings
+- [ ] Tests added
+- [ ] All tests pass
+
+## Additional Context
+
+<!-- Add any other context or screenshots here. -->