Update README.md to provide a comprehensive overview of The Order monorepo, including repository structure, quickstart guide, development workflow, and contribution guidelines.

.github/PULL_REQUEST_TEMPLATE.md

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+## Description
+Brief description of changes
+
+## Type of Change
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Breaking change
+- [ ] Documentation update
+- [ ] Performance improvement
+- [ ] Refactoring
+
+## Related Issues
+Closes #(issue number)
+
+## Testing
+How was this tested?
+
+- [ ] Unit tests added/updated
+- [ ] Integration tests added/updated
+- [ ] Manual testing performed
+
+## Checklist
+- [ ] Code follows style guidelines
+- [ ] Self-review completed
+- [ ] Comments added for complex code
+- [ ] Documentation updated
+- [ ] Tests added/updated
+- [ ] All tests pass
+- [ ] No new warnings
+- [ ] Type checking passes
+- [ ] Linting passes
+
+## Screenshots (if applicable)
+<!-- Add screenshots here -->
+
+## Additional Notes
+<!-- Any additional information -->
+