feat: add checkout page

lib/constants.tsx

@@ -22,3 +22,12 @@ export const sorting: SortFilterItem[] = [
 
 export const HIDDEN_PRODUCT_TAG = 'nextjs-frontend-hidden';
 export const DEFAULT_OPTION = 'Default Title';
+
+export const CHECKOUT_PAGE_PROPS = {
+  title: 'Checkout',
+  body: `Checkout is not implemented yet in this template. Check out 
+        <a href="https://docs.medusajs.com/modules/carts-and-checkout/storefront/implement-checkout-flow">our guide on implementing a checkout flow</a> to learn more`,
+  description: 'Checkout is not implemented yet in this template',
+  updatedAt: new Date().toISOString(),
+  createdAt: new Date().toISOString()
+};

lib/medusa/index.ts

@@ -74,7 +74,7 @@ export default async function medusaRequest(
 const reshapeCart = (cart: MedusaCart): Cart => {
   const lines = cart?.items?.map((item) => reshapeLineItem(item)) || [];
   const totalQuantity = lines.reduce((a, b) => a + b.quantity, 0);
-  const checkoutUrl = '/';
+  const checkoutUrl = '/checkout'; // todo: implement medusa checkout flow
   const currencyCode = cart.region?.currency_code.toUpperCase() || 'USD';
 
   let subtotalAmount = '0';