yolo.py header

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Refinements to YOLOv5 module documentation and usage instructions.

📊 Key Changes

• Expanded the module docstring to include a brief description and example usage command.
• Improved the documentation's clarity to aid both developers and users in understanding how to utilize the YOLOv5 model.

🎯 Purpose & Impact

• 💡 Enhances clarity: The added documentation provides immediate context for users opening the file, making it easier for newcomers to get started.
• 🔍 Increases usability: The example usage command serves as a quick-start for users, streamlining the process to run the YOLOv5 model.
• 💻 Fosters accessibility: Simpler documentation lowers the entry barrier for non-experts interested in working with the YOLOv5 concepts and codebase.