update dev dependencies

Author: Walker Leite

template/package.json

@@ -22,10 +22,11 @@
     "vue": "^2.4.1"
   },
   "devDependencies": {
-    "vue-cli": "^2.8.2",
-    "vue-styleguidist": "^1.2.5",
     "eslint": "^3.17.1",
     "eslint-plugin-vue": "beta",
-    "webpack": "^3.5.6"
+    "vue-cli": "^2.8.2",
+    "vue-styleguidist": "^1.2.5",
+    "vue-webpack-loaders": "^1.0.6",
+    "webpack": "^3.1.0"
   }
 }