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-commerce-modules-sidebar.mjs

@@ -11706,6 +11706,14 @@ const generatedgeneratedCommerceModulesSidebarSidebar = {
               "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/product-builder",
               "children": []
             },
+            {
+              "loaded": true,
+              "isPathHref": true,
+              "type": "ref",
+              "title": "Implement Product Rentals",
+              "path": "https://docs.medusajs.com/resources/how-to-tutorials/tutorials/product-rentals",
+              "children": []
+            },
             {
               "loaded": true,
               "isPathHref": true,