docs: added tutorial for abandoned cart (#11917)

* docs: added tutorial for abandoned cart

* small fixes

* add cover image

www/apps/resources/sidebars/architectural-modules.mjs

@@ -213,6 +213,9 @@ export const architecturalModulesSidebar = [
       {
         type: "sub-category",
         title: "Guides",
+        autogenerate_tags: "notification+server",
+        autogenerate_as_ref: true,
+        sort_sidebar: "alphabetize",
         children: [
           {
             type: "link",

www/apps/resources/sidebars/cart.mjs

@@ -42,7 +42,7 @@ export const cartSidebar = [
       {
         type: "category",
         title: "Server Guides",
-        autogenerate_tags: "server+cart",
+        autogenerate_tags: "cart+server",
         autogenerate_as_ref: true,
         sort_sidebar: "alphabetize",
         description:

www/apps/resources/sidebars/how-to-tutorials.mjs

@@ -71,6 +71,13 @@ export const howToTutorialsSidebar = [
 
 While tutorials show you a specific use case, they also help you understand how to implement similar use cases in your own projects. Also, you can implement the use case in a tutorial differently to fit your business requirements.`,
     children: [
+      {
+        type: "link",
+        title: "Abandoned Cart",
+        path: "/how-to-tutorials/tutorials/abandoned-cart",
+        description:
+          "Learn how to send abandoned cart notifications to customers.",
+      },
       {
         type: "link",
         title: "Custom Item Pricing",