Update README.md

[glenn-jocher]

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

🛠️ PR Summary

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🌟 Summary

Update of YOLOv5 project images in documentation and notebooks.

📊 Key Changes

• Replaced the main image in the Chinese README file.
• Updated the banner image in the English README file.
• The tutorial notebook now displays the new banner image.

🎯 Purpose & Impact

• Enhanced Visuals: Keeps the project's visual presentation current and fresh.
• Consistency: Standardizes the project's banner imagery across different documentation, improving brand consistency.
• Accessibility: The updated images might contain new elements or updated information valuable for users accessing the repository.

🔄 Overall, these changes are expected to improve user experience by providing up-to-date visuals that are consistent across various forms of documentation associated with the YOLOv5 project.