Explorer with LanceDB, Actions and Docs updates

[glenn-jocher]

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🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

Updated pre-commit configurations, enhanced dataset explorer API documentation, and improved code readability.

📊 Key Changes

• 🔄 Replaced isort and yapf in .pre-commit-config.yaml with ruff, simplifying pre-commit hooks for code formatting.
• ✨ Enhanced documentation for the dataset explorer API (api.md) with tips and advanced usage examples.
• 📸 Added screenshots to the dataset explorer GUI documentation (dashboard.md) to illustrate usage.
• 🚀 Improved explanations and added a tip regarding the functionality of Ultralytics Explorer (index.md) and its reliance on LanceDB.
• 🎨 Created a new HTML announcement block in the documentation (main.html).
• 🔧 Tweaked the pyproject.toml file to refine codespell configuration.
• 🔍 Clarified variable names in the loss computation code (loss.py) to enhance readability.
• 🐞 Fixed a potential bug by removing index variables from the loop (predict.py).

🎯 Purpose & Impact

• 💡 The consolidation of code formatting tools streamlines the development process, making it easier to maintain code quality.
• 📚 Enhanced documentation with powerful tips and visual aids provides a better understanding of the software, enabling users to more effectively utilize the dataset explorer.
• 🔒 The announcement block serves to engage users with the latest updates and resources related to Ultralytics.
• 🛠️ Improved code readability and minor bug fixes contribute to a more robust and maintainable codebase, indirectly benefiting users by ensuring higher software reliability and quality.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0e7221f) 77.04% compared to head (ba6a9de) 77.04%.

❗ Current head ba6a9de differs from pull request most recent head 59f14f6. Consider uploading reports for the commit 59f14f6 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7487   +/-   ##
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  Coverage   77.04%   77.04%           
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  Files         117      117           
  Lines       14331    14331           
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  Hits        11042    11042           
  Misses       3289     3289           

Flag	Coverage Δ
Benchmarks	35.55% <0.00%> (ø)
GPU	39.59% <0.00%> (ø)
Tests	72.36% <100.00%> (ø)

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