🔥 Finish Cart implementation

- Use Select component in CartItem to change quantity
- Visual update when removing or changing an item quantity
- API: Remove Cart item action
- API: Handle Cart item adding and updating (quantity)

src/routes/api/swell.ts

@@ -1,4 +1,4 @@
-import { addToCart, createCart, fetchCart, getProduct, updateCartItem } from '$utils/swellFunctions'
+import { addToCart, createCart, fetchCart, getProduct, removeCartItem, updateCartItem } from '$utils/swellFunctions'
 
 
 // Block GET requests
@@ -41,11 +41,13 @@ export async function post ({ headers, query, body, params, ...rest }) {
                     result = await updateCartItem(cartId, productId, bodyParsed.quantity)
                     break
                 }
-
+                case 'removeCartItem': {
+                    result = await removeCartItem(cartId, productId)
+                    break
+                }
                 default: break
             }
         }
-
         return {
             status: 200,
             body: result,