docs: added product rental tutorial (#13896)

* docs: added product rental guide

* fix lint errors

* fix build error

* fix vale errors

* gnerate

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

@@ -203,6 +203,13 @@ While tutorials show you a specific use case, they also help you understand how
         description:
           "Learn how to implement a product builder that allows customers to customize products before adding them to the cart.",
       },
+      {
+        type: "link",
+        title: "Product Rentals",
+        path: "/how-to-tutorials/tutorials/product-rentals",
+        description:
+          "Learn how to implement product rentals in your Medusa store.",
+      },
       {
         type: "link",
         title: "Product Reviews",