Add user org

Author: smith558

content/discover/who-uses.json

@@ -179,6 +179,7 @@
     "https://ayo.so",
     "https://devitjobs.com",
     "https://formation.tech",
-    "https://gofirmex.com"
+    "https://gofirmex.com",
+    "https://vbdhub.org"
   ]
 }