feat: integrate fumadocs for documentation

[phev8]

No description provided.

[greptile-apps]

Greptile Summary

This PR integrates Fumadocs as the documentation framework for the c-ui component registry. The original homepage content was migrated to a structured documentation site with individual component pages featuring installation instructions, live interactive examples, usage code, and configuration tables.

Key changes:

• Installed fumadocs-core, fumadocs-ui, and fumadocs-mdx packages
• Created /docs route with dynamic [[...slug]] page using generateStaticParams for static export compatibility
• Moved interactive examples from app/ to components/docs/ and added Dialog examples
• Created comprehensive MDX documentation for all 5 components (alert-provider, button, confirm, dialog, loading-button)
• Configured fumadocs source loader pointing to content/docs directory
• Root page now redirects to /docs instead of displaying the registry showcase
• Updated README to focus on contributors, referring end-users to the docs site
• Added suppressHydrationWarning to support theme switching
• Changed fumadocs theme from neutral to shadcn for visual consistency

The implementation is well-structured and properly configured for Next.js static export with the existing basePath: "/c-ui" and GitHub Pages deployment.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The fumadocs integration is clean and well-implemented with proper static export configuration. All files follow established patterns, the dynamic route includes generateStaticParams for static generation, and the interactive examples correctly import from @/registry/radix-nova/ paths. The documentation is comprehensive and well-structured. No logical errors, security issues, or breaking changes were found.
• No files require special attention

Important Files Changed

Filename	Overview
package.json	Added fumadocs dependencies (fumadocs-core, fumadocs-ui, fumadocs-mdx) for documentation framework
source.config.ts	Created fumadocs configuration pointing to content/docs directory
lib/source.ts	Created fumadocs loader for MDX content with /docs base URL
app/layout.tsx	Wrapped app with RootProvider and added suppressHydrationWarning for theme support
app/page.tsx	Simplified to redirect to /docs, moving registry showcase to documentation
app/docs/[[...slug]]/page.tsx	Dynamic route handler with generateStaticParams for static export compatibility
next.config.mjs	Integrated fumadocs MDX plugin with existing static export configuration
tsconfig.json	Added fumadocs-mdx:collections path mapping to .source directory
content/docs/index.mdx	Getting started documentation with installation instructions and component overview
components/docs/interactive-examples.tsx	Moved from app/ and enhanced with Dialog examples for MDX documentation

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Root /] --> B[app/page.tsx]
    B --> C[redirect to /docs]
    C --> D[app/docs/layout.tsx]
    D --> E[DocsLayout with pageTree]
    D --> F[Dynamic slug page]
    F --> G{getPage from source}
    G -->|found| H[Render MDX with DocsPage]
    G -->|not found| I[notFound]
    
    J[content/docs MDX files] --> K[fumadocs-mdx]
    K --> L[.source directory]
    L --> M[lib/source.ts loader]
    M --> G
    
    N[source.config.ts] --> K
    O[tsconfig.json paths] --> L
    
    H --> P[Interactive Examples]
    P --> Q[components/docs]
    Q --> R[registry/radix-nova components]
    
    style C fill:#e1f5ff
    style H fill:#d4edda
    style K fill:#fff3cd
    style R fill:#f8d7da

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_{Last reviewed commit: 6d747fb}