docs: add Vue Storefront to who uses Nest.js

Author: Baroshem

content/discover/who-uses.json

@@ -27,6 +27,10 @@
       "logo": "/assets/logo/decathlon.png",
       "url": "https://www.decathlon.com/"
     },
+    {
+      "logo": "/assets/logo/vue-storefront.png",
+      "url": "https://www.vuestorefront.io/"
+    },
     {
       "logo": "/assets/logo/autodesk.png",
       "url": "https://www.autodesk.com/"