✨ Feat: create new Radio Group component

[lucasadsr]

This pull request introduces a new Radio Group UI component to the codebase, covering its implementation, documentation, and full integration with the documentation system. The goal is to make the component easy to use, discover, and extend.

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🎛️ Radio Group Component Implementation

• Added the RadioGroup and RadioGroupItem components in src/components/ui/radio-group.tsx.
• The implementation provides a clean, accessible radio group UI with consistent styling and keyboard support.

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📚 Documentation and Examples

• Created a complete set of usage examples in
  src/components/docs/contents/radio-group/radio-group-examples.tsx.
• The examples demonstrate:
  • Basic usage
  • Horizontal layout
  • Disabled options
  • Descriptions
  • Controlled state
  • Integration with forms

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📦 Dependencies

• Added @radix-ui/react-radio-group to package.json to power the new component with a reliable and accessible foundation.

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🧭 Documentation System Integration

• Registered the Radio Group documentation by adding radioGroupDoc to
  src/lib/docs/component-details.tsx.
  [1]
  [2]
• Added the Radio Group to src/lib/docs/components-index.ts, including metadata such as slug, name, description, category, status, tags, and dependencies.

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Overall, these changes ensure the Radio Group component is well-documented, easy to find, and ready for production use.

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Project	Deployment	Review	Updated (UTC)
ui	Ready	Preview, Comment	Jan 7, 2026 0:09am

[MarcosvBueno]

LGTM