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

Introducing automated code and documentation formatting to Ultralytics repositories. 🤖✨

📊 Key Changes

• 🔧 Created a new GitHub Actions workflow file format.yml.
• 🔄 The workflow triggers on pushes and pull requests to the main or master branches.
• 🛠️ Includes steps to check out the repository and run Ultralytics' custom formatting actions.

🎯 Purpose & Impact

• 📈 Consistency: Ensures all code and documentation follow the same styling guidelines.
• ⏱️ Efficiency: Automates the formatting process, saving time for contributors.
• 🐛 Quality Control: Reduces the likelihood of human error in formatting and helps maintain code quality across contributions.

[github-actions]

👋 Hello @UltralyticsAssistant, thank you for submitting a YOLO 🚀 PR! To allow your work to be integrated as seamlessly as possible, we advise you to:

• ✅ Verify your PR is up-to-date with ultralytics/hub master branch. If your PR is behind you can update your code by clicking the 'Update branch' button or by running git pull and git merge main locally.
• ✅ Verify all Continuous Integration (CI) checks are passing.
• ✅ Update Docs for any new or updated features.
• ✅ Reduce changes to the absolute minimum required for your bug fix or feature addition. "It is not daily increase but daily decrease, hack away the unessential. The closer to the source, the less wastage there is." — Bruce Lee

See our Contributing Guide for details and let us know if you have any questions!