Update Comet preview image

[glenn-jocher]

Pass through tinyjpg: 2.2MB -> 497kB :)

Signed-off-by: Glenn Jocher [email protected]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Updated Comet integration images in YOLOv5 documentation and tutorials.

📊 Key Changes

• Replaced older screenshots with newer images for Comet UI in the YOLOv5 classify and segment tutorials, as well as the main tutorial notebook.
• Ensured that the last line in certain files now properly includes a newline character for better adherence to best coding practices.

🎯 Purpose & Impact

• Enhanced Visuals: The updated images will provide users with a clearer and more up-to-date representation of the Comet interface, improving the documentation's helpfulness.
• Consistency & Code Quality: Adding the newline at the end of files aligns with POSIX standards, potentially avoiding any parsing issues in various tools.
• User Experience: The refreshed Comet UI visuals can help new users navigate the Comet integration with YOLOv5 more effectively, contributing to smoother onboarding and usage.