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 an automated code and documentation formatting workflow for Ultralytics repositories.

📊 Key Changes

• 🆕 Added a new GitHub Actions workflow file format.yml.
• 🤖 The workflow is triggered on push and pull_request events to the main or master branches.
• 🛠️ The job uses the latest Ubuntu runner and checks out the repo before running formatting actions.

🎯 Purpose & Impact

• 📝 Ensures consistent code and documentation formatting, improving readability and maintainability.
• ⏱️ Saves time for developers by automating the formatting process.
• 🚀 Enhances code quality and collaboration efficiency for contributors.