docs: cache revalidation in next.js storefront + storefront totals (#11887)

* initial changes

* generated sidebar

www/apps/resources/sidebars/storefront.mjs

@@ -179,6 +179,11 @@ export const storefrontDevelopmentSidebar = [
         path: "/storefront-development/cart/manage-items",
         title: "Manage Line Items",
       },
+      {
+        type: "link",
+        path: "/storefront-development/cart/totals",
+        title: "Show Totals",
+      },
     ],
   },
   {
@@ -224,6 +229,11 @@ export const storefrontDevelopmentSidebar = [
         path: "/storefront-development/checkout/complete-cart",
         title: "5. Complete Cart",
       },
+      {
+        type: "link",
+        path: "/storefront-development/checkout/order-confirmation",
+        title: "Show Order Confirmation",
+      },
     ],
   },
   {

www/apps/resources/sidebars/tools.mjs

@@ -100,7 +100,7 @@ export const toolsSidebar = [
           },
           {
             type: "category",
-            title: "Payment",
+            title: "How-to Guides",
             initialOpen: true,
             children: [
               {
@@ -108,6 +108,11 @@ export const toolsSidebar = [
                 path: "/nextjs-starter/guides/customize-stripe",
                 title: "Customize Stripe Integration",
               },
+              {
+                type: "link",
+                path: "/nextjs-starter/guides/revalidate-cache",
+                title: "Revalidate Cache",
+              },
             ],
           },
         ],