docs: added personalized products guide (#13012)

* docs: added personalized products guide

* lint content

* add product

www/apps/resources/generated/generated-how-to-tutorials-sidebar.mjs

@@ -490,6 +490,15 @@ const generatedgeneratedHowToTutorialsSidebarSidebar = {
           "description": "Learn how to integrate Mailchimp with Medusa to manage and automate newsletters.",
           "children": []
         },
+        {
+          "loaded": true,
+          "isPathHref": true,
+          "type": "ref",
+          "title": "Personalized Products",
+          "path": "/recipes/personalized-products/example",
+          "description": "Learn how to implement personalized products in your Medusa store.",
+          "children": []
+        },
         {
           "loaded": true,
           "isPathHref": true,