Add ONNX Docs integrations page

[abirami-vina]

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Enhanced model interoperability and performance through ONNX export support.

📊 Key Changes

• Added a new documentation page for exporting Ultralytics models to ONNX format.
• Updated the Integrations Index to include ONNX as a new method for exporting and optimizing models.
• Provided a "Key Features of ONNX Models" section to explain benefits like common model representation and graph-based structure.
• Outlined "Common Usage of ONNX" for CPUs, GPUs, and edge device deployments.
• Included instructions and example code for exporting YOLOv8 models to ONNX and running inference.

🎯 Purpose & Impact

• 🎯 To offer a standardized way of model interchange between different AI frameworks, enhancing the YOLOv8 models' flexibility.
• 🚀 Users can now deploy Ultralytics models more broadly, including on diverse hardware like CPUs and different platforms like web browsers.
• 💻 Developers gain access to a more streamlined workflow for model conversion, leading to increased efficiency and ease of deployment.
• 🌍 ONNX Runtime optimizes model performance across platforms, potentially improving the speed and efficiency of Ultralytics models in production environments.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a2222b4) 79.11% compared to head (85fdc3e) 39.38%.
Report is 3 commits behind head on main.

❗ Current head 85fdc3e differs from pull request most recent head 81a364f. Consider uploading reports for the commit 81a364f to get more accurate results

Additional details and impacted files

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- Coverage   79.11%   39.38%   -39.74%     
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- Hits        11389     5676     -5713     
- Misses       3006     8737     +5731     

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[glenn-jocher]

@abirami-vina hey this looks really good! There's just a couple of updates that would really help too when introducing new guides or integrations:

1. Adding a bullet point about the new guide to guides/index.md or if it's an integration to integrations/index.md. I've done this in c7f1fec.
2. Adding the new page to the mkdocs.yml file. This file controls what actually gets published, so unless the new file appears here it won't make it to docs.ultralytics.com. Completed in 85fdc3e.

If you could complete these for future PRs that would be super helpful.

Great job on this one!

[abirami-vina]

@glenn-jocher Sure, I'll do that from next time.

[glenn-jocher]

@abirami-vina Fantastic, thank you for the update and for contributing to the project! Looking forward to your next PR. 😊👍