Animated Loading Skeleton

Create a React component named LoadingSkeleton that simulates loading a user profile card. While loading, show an animated skeleton (grey boxes and lines with a shimmer effect). After 2 seconds, replace it with real profile content: an image, name, and bio.

Requirements

1. Create a LoadingSkeleton component.
2. Show a skeleton UI (name line, bio line) while loading.
3. Use a shimmer animation for a smooth user experience.
4. After 2 seconds, display:
   • A user image (placeholder)
   • User name (e.g., John Doe)
   • Bio (e.g., Full-stack developer at XYZ company)

Reference UI