Implements the meetup showcase scene with:
- Featured meetup card with 3D perspective and shadow effects
- Date/time display with calendar and clock icons
- Upcoming meetups list (Memmingen, Friedrichshafen)
- Action buttons for calendar integration
- Staggered animations with spring physics
- Audio cues for slide-in and badge appearances
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
