Add back webpack script

services/web/package.json

@@ -19,7 +19,8 @@
     "compile": "make compile",
     "start": "npm -q run compile && node app.js",
     "nodemon": "nodemon --config nodemon.json",
-    "nodemon:frontend": "nodemon --config nodemon.frontend.json"
+    "nodemon:frontend": "nodemon --config nodemon.frontend.json",
+    "webpack": "webpack-dev-server --config webpack.config.dev.js"
   },
   "dependencies": {
     "archiver": "0.9.0",