docs: added personalized products guide (#13012)

* docs: added personalized products guide

* lint content

* add product

www/apps/resources/generated/generated-commerce-modules-sidebar.mjs

@@ -6102,14 +6102,6 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
               "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/loyalty-points",
               "children": []
             },
-            {
-              "loaded": true,
-              "isPathHref": true,
-              "type": "ref",
-              "title": "Implement Pre-Orders",
-              "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/preorder",
-              "children": []
-            },
             {
               "loaded": true,
               "isPathHref": true,
@@ -11489,8 +11481,8 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
               "loaded": true,
               "isPathHref": true,
               "type": "ref",
-              "title": "Implement Pre-Order Products",
-              "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/preorder",
+              "title": "Implement Personalized Products",
+              "path": "https://docs.medusajs.com/resources/recipes/personalized-products/example",
               "children": []
             },
             {