Project: fastify
Task (moderate): 1) Add product detail page with path '/products/:product_id'
2) Add classNames for UI in Detail Page: .product-card, .product-image, .product-name, .product-price, .product_quantity, .product-description
3) In /products page, When .product-card clicked, goto related product detail page
4) Create CSS to beautify UI
5) If the product is not found, show 'Product Not Found' in the product detail page