✨ feat: add skeleton component

[lucasadsr]

This pull request introduces comprehensive documentation and example usage for the Skeleton component, along with a refactor that adds support for both pulse and shimmer animation variants. It also registers the Skeleton component in the documentation system and components index, making it fully discoverable and accessible within the UI library.

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🧩 Skeleton Component Enhancements

• Refactored the Skeleton component in skeleton.tsx to support both pulse and shimmer animation variants.
• Leveraged class-variance-authority to enable flexible and scalable styling.
• Added a custom shimmer animation using keyframes to provide a more polished loading effect.
  (src/components/ui/skeleton.tsx)

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📚 Documentation and Examples

• Added detailed documentation for the Skeleton component, including:
  • Usage guidelines and best practices
  • Accessibility considerations
  • Animation variants
  • Component props
  • Multiple code examples with live previews
    (src/components/docs/contents/skeleton/skeleton.tsx)
• Implemented a comprehensive set of practical examples demonstrating common loading UI patterns, such as:
  • Basic usage
  • Animation variants
  • Profile layout
  • Product card
  • Article list
    (src/components/docs/contents/skeleton/skeleton-examples.tsx)

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🗂️ Documentation System Integration

• Registered the Skeleton documentation in the component details registry, enabling proper lookup and rendering in the documentation site.
  (src/lib/docs/component-details.tsx)
• Added the Skeleton component to the components index with relevant metadata, including tags, category, and dependencies, ensuring it appears correctly in the UI library navigation.
  (src/lib/docs/components-index.ts)

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✅ Result

These changes make the Skeleton component more powerful, flexible, and easier to adopt, while significantly improving its discoverability and documentation quality within the UI library.

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Project	Deployment	Review	Updated (UTC)
ui	Ready	Preview, Comment	Jan 23, 2026 4:42pm

[MarcosvBueno]

LGTM