Update pull_request_template.md

Why did I commit an empty file?

Author: xesdoog

.github/pull_request_template.md

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+# Description
+
+Please describe the changes made in this pull request.
+
+- What problem does it solve?
+- Why is it needed?
+
+## Checklist
+
+- [ ] I have followed the [contributing guidelines](../CONTRIBUTING.md).
+- [ ] My commits follow the project’s commit conventions.
+- [ ] Documentation/comments were updated if necessary.
+- [ ] This change has been tested (where applicable).
+
+## Additional Notes
+
+Add any extra context, screenshots, or information for reviewers here.