docs: add pull request template for better contribution guidelines

.github/pull_request_template.md

@@ -0,0 +1,20 @@
+## Description
+
+<!-- What does this PR do? Why is it needed? -->
+
+## Type of change
+
+- [ ] Bug fix
+- [ ] New plugin wrapper
+- [ ] Enhancement to existing plugin
+- [ ] Documentation update
+- [ ] Build / CI change
+- [ ] Other (please describe)
+
+## Checklist
+
+- [ ] I have read the [Developer Guide](../DEVELOPER.md)
+- [ ] My code follows the existing code style (`npm run lint`)
+- [ ] I have tested my changes locally (`npm run build && npm test`)
+- [ ] I have added/updated documentation if necessary
+- [ ] Commit messages follow the `type(scope): subject` format