poc(websockets): websocket poc

public/app/features/admin/admin.ts

@@ -19,7 +19,16 @@ class AdminSettingsCtrl {
 
 class AdminHomeCtrl {
   /** @ngInject **/
-  constructor() {}
+  constructor() {
+
+    var conn = new WebSocket("ws://localhost:3000/ws");
+    conn.onclose = function(evt) {
+      console.log("Connection closed");
+    };
+    conn.onmessage = function(evt) {
+      console.log("message", evt.data);
+    };
+  }
 }
 
 export class AdminStatsCtrl {