🚀 Add VAD dataset

[abc-125]

📝 Description

Added one-class (unsupervised) version of VAD dataset, which contains one category of complex industrial objects.

✨ Changes

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• 🐞 Bug fix (non-breaking change which fixes an issue)
• 🔨 Refactor (non-breaking change which refactors the code base)
• 🚀 New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation update
• 🔒 Security update

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• 🧪 I have written tests that support my changes and prove that my fix is effective or my feature works (if applicable).

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