Update README.zh-CN.md

[glenn-jocher]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Improved introduction and datasets documentation in Ultralytics HUB Chinese README.

📊 Key Changes

• Refined greeting to users, emphasizing the welcoming nature of Ultralytics team.
• Streamlined descriptions for better readability and user understanding.
• Clarified the process of preparing, uploading, and viewing datasets within Ultralytics HUB.
• Enhanced instructions for training models and deploying them in various formats.
• Updated instructions and images to keep documentation current and user-friendly.

🎯 Purpose & Impact

• Increased Clarity: These changes make the README more accessible and easier to understand, aiding users in leveraging Ultralytics HUB's capabilities.
• Enhanced User Experience: With clearer guidelines and updated visuals, users can more easily navigate the platform, prepare datasets, train models, and deploy them, potentially increasing user engagement and satisfaction.
• Broader Accessibility: By refining the documentation, Ultralytics aims to grow its community, welcoming a wider audience of users to explore and use its AI tools. 🌍💡

These edits contribute to a more welcoming and user-friendly environment, ensuring that both new and existing users can efficiently utilize the HUB for their AI projects. 🚀👥

[sourcery-ai]

We have skipped reviewing this pull request. We don't currently review documentation changes - Let us know if you'd like us to change this.