change target branch (#375)

www/docs/sidebars.js

@@ -71,6 +71,10 @@ module.exports = {
             },
           ],
         },
+        {
+          type: "doc",
+          id: "how-to/setting-up-a-nextjs-storefront-for-your-medusa-project",
+        },
       ],
     },
   ],