Update dependencies

client/package.json

@@ -48,6 +48,7 @@
     "html-webpack-plugin": "^2.30.1",
     "lodash": "^4.17.10",
     "node-notifier": "^5.1.2",
+    "node-sass": "^4.9.2",
     "nuxt": "^1.4.2",
     "optimize-css-assets-webpack-plugin": "^3.2.0",
     "ora": "^1.2.0",
@@ -57,6 +58,7 @@
     "postcss-url": "^7.2.1",
     "rimraf": "^2.6.0",
     "semver": "^5.3.0",
+    "sass-loader": "^7.1.0",
     "shelljs": "^0.7.6",
     "uglifyjs-webpack-plugin": "^1.1.1",
     "unfetch": "^3.1.1",
@@ -86,8 +88,5 @@
     "last 2 versions",
     "not ie <= 8"
   ],
-  "devDependencies": {
-    "node-sass": "^4.9.2",
-    "sass-loader": "^7.1.0"
-  }
+  "devDependencies": {}
 }