#58 - Design PR template proposal

- Implemented new template for Pull requests.

Author: miroslavpojer

.github/pull_request_template.md

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+## Release Notes:
+> Provide a concise summary of changes for the release notes. Include any new features, bug fixes, or other significant updates. Keep it brief and to the point.
+
+## Checklist:
+> Ensure the following tasks are completed before submission.
+- [ ] My code follows the project style guidelines
+- [ ] I have performed a self-review of my code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have added tests that prove my fix is effective or my feature works
+- [ ] New and existing tests pass locally with my changes
+- [ ] I have used a code formatting tool to ensure consistent style
+- [ ] I have run a linter to check for code quality issues
+
+## Additional Context:
+> Add any other context about the pull request here.
+
+---
+> **Note:** Remember to link this PR to the related issue by adding `Fixes #issue_number` to the description above.
+
+Fixes **or** Closes #(issue)