docs: remove empty storefront guides (medusajs#12844)

Author: shahednasser

www/apps/resources/app/storefront-development/cart/page.mdx

@@ -245,6 +245,31 @@ const nextConfig = {
         destination: "/references/user/events",
         permanent: true,
       },
+      {
+        source: "/storefront-development/cart",
+        destination: "/storefront-development/cart/create",
+        permanent: true,
+      },
+      {
+        source: "/storefront-development/customer",
+        destination: "/storefront-development/customer/register",
+        permanent: true,
+      },
+      {
+        source: "/storefront-development/products/categories",
+        destination: "/storefront-development/products/categories/list",
+        permanent: true,
+      },
+      {
+        source: "/storefront-development/products/collections",
+        destination: "/storefront-development/products/collections/list",
+        permanent: true,
+      },
+      {
+        source: "/storefront-development/products",
+        destination: "/storefront-development/products/list",
+        permanent: true,
+      },
     ])
   },
   outputFileTracingExcludes: {