Added issue/pull request templates

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+
+<!-- Provide a brief description of your changes -->
+
+## Related Issue
+
+<!-- Link to the issue this PR addresses (if applicable) -->
+Fixes #
+
+## Type of Change
+
+<!-- Mark the relevant option with an "x" -->
+
+- [ ] Bug fix (non-breaking change that fixes an issue)
+- [ ] New feature (non-breaking change that adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+- [ ] Documentation update
+- [ ] Code refactoring
+- [ ] Performance improvement
+- [ ] Test addition or update
+
+## Changes Made
+
+<!-- List the specific changes made in this PR -->
+
+-
+-
+-
+
+## Screenshots
+
+<!-- If applicable, add screenshots to demonstrate your changes -->
+
+## Testing
+
+<!-- Describe how you tested your changes -->
+
+- [ ] I have tested this on my local machine
+- [ ] I have tested with my printer model: <!-- e.g., X1C, P1S, A1 -->
+
+## Checklist
+
+- [ ] My code follows the project's coding style
+- [ ] I have commented my code where necessary
+- [ ] I have updated the documentation (if needed)
+- [ ] My changes generate no new warnings
+- [ ] I have tested my changes thoroughly
+
+## Additional Notes
+
+<!-- Add any additional information that reviewers should know -->