Add node to types

packages/faq-extension/tsconfig.json

@@ -9,7 +9,7 @@
     "target": "ES5",
     "outDir": "./lib",
     "lib": ["ES5", "ES2015.Promise", "DOM", "ES2015.Collection"],
-    "types": []
+    "types": ["node"]
   },
   "include": ["src/*"]
 }