feat(registry): add @remotionui registry

[riaz37]

What

Adds @remotionui to the shadcn registry directory.

Why

RemotionUI provides 120+ production-ready motion components for Remotion video projects, including:

• Animation primitives (fade, slide, scale, blur, typewriter)
• Transitions (fade, slide, wipe, clock wipe, light leak, spatial push)
• Scenes (lower third, title card, feature list, stat card, quote card)
• Compositions (intro, showcase, hero loop, social clip, podcast clip)
• Utilities (timing, springs, layout, caption utils, audio viz utils)

Registry Info

• Name: @remotionui
• Homepage: https://remotionui.com
• URL Template: https://remotionui.com/r/{name}.json
• Description: Production-ready motion components for Remotion video projects. 120+ copy-paste components for captions, charts, transitions, and compositions.

Validation

• Registry is open source (MIT license)
• Registry is publicly accessible at remotionui.com
• Registry conforms to the registry schema specification
• Files array does not include content property
• Validated with npx shadcn@latest build - all 123 components built successfully

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[github-actions]

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