docs: added restock notification guide (#10413)

* docs: added restock notification guide

* changes

* lint fixes

* fixes

* more changes

* remove get email step

* add og image

* update sendRestockNotificationsWorkflow

* updates

* fix links

www/apps/resources/sidebar.mjs

@@ -68,6 +68,13 @@ export const sidebar = sidebarAttachHrefCommonOptions([
         type: "link",
         path: "/recipes/commerce-automation",
         title: "Commerce Automation",
+        children: [
+          {
+            type: "link",
+            path: "/recipes/commerce-automation/restock-notification",
+            title: "Example: Restock Notifications",
+          },
+        ],
       },
       {
         type: "link",