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 Formatting Workflow to the Ultralytics Repository.

📊 Key Changes

• A new GitHub Actions workflow file format.yml has been added.
• This workflow triggers on push and pull request events to the main and master branches.
• It sets up an automated job to format code and documentation.

🎯 Purpose & Impact

• Consistency: Ensures consistent code style and formatting across the codebase.
• Efficiency: Saves time for developers by automating the formatting process.
• Quality Control: Helps maintain high code quality and readability, making collaboration and reviewing easier.