Fix HUB link https://ultralytics.com/hub

[glenn-jocher]

This Ultralytics PR refactors code to improve performance and readability. 🔄

Key changes include:

• 🚀 Optimized various functions for faster execution.
• 🧩 Simplified complex logic for better understanding and maintenance.
• 🗑️ Removed redundant code to streamline operations.
• 📚 Improved code structure and organization.

These changes aim to enhance the overall quality and efficiency of the code. 🌟

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🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Updated the forward pass in the clip/model.py to include a detailed docstring for the stem function.

📊 Key Changes

• Added a new docstring to the stem function:
  • Describes the steps of the forward pass, including convolutions, batch normalization, ReLU activations, and average pooling.

🎯 Purpose & Impact

• Enhanced Documentation: Provides clearer insights about the internal workings of the stem function 📝.
• Improved Developer Experience: Assists both new and experienced developers in understanding the code flow, making debugging and collaboration easier 👩‍💻👨‍💻.
• Code Clarity: Helps in maintaining high coding standards with well-documented methods 📂.