Fix PyPI downloads links

[pderrenger]

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

Minor update to improve the link to project download statistics in the README file.

📊 Key Changes

• Fixed the link to the project's download statistics badge from pepy.tech to correctly point to its project-specific page.

🎯 Purpose & Impact

• 👥 User Convenience: Ensures that users interested in download stats are directed to the correct page, enhancing the user experience.
• 📈 Accurate Information Access: Facilitates more direct access to accurate project metrics and analytics, supporting informed decision-making for users evaluating the plugin.

[UltralyticsAssistant]

👋 Hello @pderrenger, thank you for submitting an ultralytics/mkdocs 🚀 PR! This is an automated response, but rest assured that an Ultralytics engineer will review your contribution soon. To ensure a smooth integration, please review the following checklist:

• ✅ Define a Purpose: Clearly explain the motive behind your pull request in the description, and link to any relevant issues for context. Make sure your commit messages are clear and follow the project's conventions.
• ✅ Synchronize with Source: Verify that your PR is aligned with the main branch of ultralytics/mkdocs. If needed, update your branch by clicking the 'Update branch' button or executing git pull and git merge main locally.
• ✅ Ensure CI Checks Pass: Make certain all Ultralytics Continuous Integration (CI) checks are passing. If there are any failures, please address those first.
• ✅ Update Documentation: If your changes involve new or altered features, please update the relevant documentation.
• ✅ Add Tests: Wherever necessary, add or modify tests to comprehensively cover your changes, making sure all tests pass.
• ✅ Sign the CLA: If you haven’t already, please sign our Contributor License Agreement by stating "I have read the CLA Document and I sign the CLA" in a follow-up comment.
• ✅ Minimize Changes: Keep your changes restricted to what is essential for the bug fix or feature addition. Remember, "Simplicity is the ultimate sophistication." — Leonardo da Vinci

For more guidance, please refer to our Contributing Guide. If you have any questions, feel free to comment. We appreciate your contribution to Ultralytics! 🚀

Md of key 🛠️ PR highlights:

• Corrected an errant URL for download statistics in the README.md to the accurate target. 📊

Thank you for helping make Ultralytics better! 🌟