Update README.md

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Minor formatting adjustments and spacing improvements in documentation files (README).

📊 Key Changes

• Updated alignment of partner logos and descriptions in the primary README.md.
• Adjusted spacing and alignment issues within the Chinese (zh-CN) README file.
• Reformatted JSON response example in the flask_rest_api documentation for better readability.

🎯 Purpose & Impact

• Improved Readability: Enhances the visual appeal and readability of the documentation files.
• Consistency: Ensures consistency in formatting across different language versions of the README.
• User Experience: Makes the JSON example easier to read and understand, benefiting users who reference this for API implementations.

📚✨ This ensures a more polished and user-friendly documentation experience for everyone.