Add loading skeleton UI for public DevCard pages

[kavin553]

Summary

Improve perceived loading performance using skeleton placeholders.

Context

Public DevCard pages currently render content after loading without placeholder states.
Adding skeleton loaders would:
improve UX smoothness
reduce perceived latency
modernize page transitions

Tasks

[ ] Add skeleton components
[ ] Match existing card layouts
[ ] Add shimmer/loading animation
[ ] Ensure responsive rendering

Acceptance Criteria

[ ] Skeletons appear during loading
[ ] Layout shifting is minimized
[ ] Smooth transitions implemented

Area

web

Difficulty

Intermediate

[kavin553]

Hi maintainers 👋
I’d like to improve the perceived loading experience of public DevCard pages by implementing lightweight responsive skeleton loaders consistent with the existing UI design 🚀

[Itzzavdheshh]

@Harxhit i would like to work on this issue , please assign it to me . Thanku

[Harxhit]

@Itzzavdheshh I have assigned this issue to you.