Fault tollerant dev server concurrency

package.json

@@ -4,13 +4,15 @@
   "main": "index.js",
   "license": "MIT",
   "scripts": {
-    "start": "webpack-dev-server --hot --inline --config webpack.dev.js & python3 zesje",
-    "build": "webpack --config webpack.prod.js"
+    "dev": "concurrently --kill-others --names \"WEBPACK,PYTHON\" --prefix-colors \"bgBlue.bold,bgGreen.bold\" \"webpack-dev-server --hot --inline --config webpack.dev.js\" \"python3 zesje\"",
+    "build": "webpack --config webpack.prod.js",
+    "start": "python3 zesje"
   },
   "dependencies": {
     "babel-plugin-syntax-dynamic-import": "^6.18.0",
     "babel-plugin-transform-class-properties": "^6.24.1",
     "bulma": "^0.6.2",
+    "concurrently": "^3.5.1",
     "css-loader": "^0.28.8",
     "file-loader": "^1.1.6",
     "font-awesome": "^4.7.0",