add host to apiDefinition.swagger.json (#1671)

certified-connectors/IronDefense/apiDefinition.swagger.json

@@ -10,6 +10,7 @@
     }
   ],
   "swagger": "2.0",
+  "host": "example.ironnetcybercloud.com",
   "info": {
     "title": "IronDefense",
     "description": "IronNet allows clients to interface with the IronDefense backend through a curated set of endpoints. This provides customers with the capability to triage alerts outside of IronVue.",