message: chore(package): update webpack to version 3.9.1
  Closes
diff: "typescript": "2.6.2",
  "url-loader": "0.6.2",
  "url-search-params-polyfill": "2.0.1",
  - "webpack": "3.8.1",
  + "webpack": "3.9.1",
  "webpack-dev-middleware": "1.12.2",
  "webpack-hot-middleware": "2.21.0"
  },
  