Add features: search bar, product details, shopping cart

[krishbhavsar98]

Request to enhance the application with the following features:

1. Search Bar
   • Implement a search bar to allow users to quickly find products.
2. Product Details
   • Display detailed information for each product, such as description, price, images, and specifications.
3. Shopping Cart
   • Add a shopping cart feature to enable users to add products and manage their purchases.

These features will improve user experience and support basic e-commerce functionality.