docs: added product rental tutorial (#13896)

* docs: added product rental guide

* fix lint errors

* fix build error

* fix vale errors

* gnerate

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

@@ -611,6 +611,15 @@ const generatedgeneratedHowToTutorialsSidebarSidebar = {
           "description": "Learn how to implement a product builder that allows customers to customize products before adding them to the cart.",
           "children": []
         },
+        {
+          "loaded": true,
+          "isPathHref": true,
+          "type": "link",
+          "title": "Product Rentals",
+          "path": "/how-to-tutorials/tutorials/product-rentals",
+          "description": "Learn how to implement product rentals in your Medusa store.",
+          "children": []
+        },
         {
           "loaded": true,
           "isPathHref": true,