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

• A new GitHub Actions workflow file format.yml has been added.
• The workflow activates on pushes and pull requests to the main and master branches.
• It includes a job named format that uses the latest Ubuntu runner.
• The format job checks out the repository and then runs the Ultralytics formatting actions.

🎯 Purpose & Impact

• Consistency: Ensures that all code and documentation follow the standard formatting guidelines.
• Efficiency: Automates what can be a tedious manual process, allowing developers to focus on more important tasks.
• Quality Control: Improves readability and maintainability of the code base, potentially reducing bugs and making it easier for new developers to contribute.
• User Experience: Contributors will experience a smoother development process with less back-and-forth on formatting issues.