Fix webpack's dependencies issue

Author: st0012

package.json

@@ -2,15 +2,17 @@
   "name": "goby-sample-web-app",
   "version": "1.0.0",
   "main": "index.js",
+  "engines" : { "node" : ">= 10.0" },
   "license": "MIT",
   "dependencies": {
     "axios": "^0.18.1",
     "highlight-lite": "^9.4.0",
     "path": "^0.12.7",
     "react": "^15.6.1",
     "react-dom": "^15.6.1",
-    "webpack": "^3.4.1",
-    "webpack-dev-server": "^3.1.11"
+    "webpack": "^3.12.0",
+    "webpack-cli": "1.5.3",
+    "webpack-dev-server": "^2.11"
   },
   "scripts": {
     "start": "webpack-dev-server"
@@ -19,6 +21,7 @@
     "babel-core": "^6.25.0",
     "babel-loader": "^7.1.1",
     "babel-preset-es2015": "^6.24.1",
-    "babel-preset-react": "^6.24.1"
+    "babel-preset-react": "^6.24.1",
+    "webpack-cli": "^3.3.11"
   }
 }