Add Ultralytics actions workflow in format.yml

[UltralyticsAssistant]

This pull request adds a workflow to automatically format code and documentation.

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Added automatic code formatting and updated string quotes in Ultralytics' codebase.

📊 Key Changes

• A new GitHub Action workflow for automatic code formatting (format.yml).
• Quote conventions in plots.py have been updated from single to double quotes.
• Several Python modules like KLT.py, MSV.py, NLS.py, common.py, images.py, strings.py, and transforms.py underwent similar quote updates and minor adjustments for code consistency.

🎯 Purpose & Impact

• The new GitHub Action will ensure consistent code styling across future PRs.
• Updates across multiple files enforce a consistent quoting style which improves the readability and maintainability of the code.
• These changes do not affect the functionality of the code, but they lay the groundwork for a cleaner and more standardized codebase moving forward. 🛠️