Update relative ROOT logic

[glenn-jocher]

🛠️ PR Summary

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🌟 Summary

Improved path handling and argument logging for YOLOv5 models.

📊 Key Changes

• 🛠️ Made the root directory paths relative to the current working directory in tf.py and yolo.py.
• 📝 Added print_args function to log command-line argument values when parsing model configurations in yolo.py.

🎯 Purpose & Impact

• 📂 Enhanced Path Handling: Converting absolute paths to relative paths helps prevent issues when the working directory changes, making the codebase more robust and portable.
• 👀 Better Logging: By introducing argument logging, users and developers can now have a clearer understanding of the configurations being used during model setup and debugging, thus enhancing transparency and ease of troubleshooting.