chore(package): update webpack-dev-server to version 3.10.1

Closes #66

Author: greenkeeper[bot]

examples/package.json

@@ -49,7 +49,7 @@
     "url-loader": "3.0.0",
     "webpack": "4.41.2",
     "webpack-cli": "3.3.10",
-    "webpack-dev-server": "3.9.0"
+    "webpack-dev-server": "3.10.1"
   },
   "dependencies": {
     "@sandstreamdev/react-swipeable-list": "0.3.1",