Add Tech Showcase Cards

[Manojkumar2806]

This update adds three interactive cards showcasing AI, Quantum Computing, and Blockchain. The cards flip on hover, revealing more info about each technology. The design uses CSS animations for a modern look and feel, aiming to make tech topics more engaging for users.
Key points:

3D flip animation on hover
Focused on cutting-edge tech topics
Uses only HTML and CSS
Responsive and visually appealing

This feature should improve user engagement and make our tech content more accessible. Please assign to me.

[Manojkumar2806]

Could you please assigned it to me

video1.mp4

[Manojkumar2806]

Could you please accept my request

[aayush105]

ok I have assigned this to you @Manojkumar2806