Change tagline to: Create secure and GDPR-compliant web apps

package.json

@@ -5,7 +5,7 @@
   "version": "1.0.0",
   "scripts": {
     "clean": "rm -Rf dist",
-    "build": "npm run clean && webpack --mode production --config webpack.config.js",
+    "build": "npm run clean && cross-env NODE_ENV=production webpack --mode production --config webpack.config.js",
     "start": "webpack-dev-server --mode development --config webpack.config.js"
   },
   "author": "Daniel Vassallo",
@@ -16,9 +16,11 @@
     "@babel/plugin-transform-runtime": "^7.4.4",
     "@babel/preset-env": "^7.4.5",
     "@babel/runtime": "^7.4.5",
+    "@fullhuman/postcss-purgecss": "^1.3.0",
     "autoprefixer": "^9.6.0",
     "babel-loader": "^8.0.6",
     "babel-polyfill": "^6.26.0",
+    "cross-env": "^6.0.3",
     "css-loader": "^2.1.1",
     "favicons-webpack-plugin": "^1.0.2",
     "file-loader": "^3.0.1",
@@ -31,7 +33,6 @@
     "opn-browser-webpack-plugin": "0.0.7",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
     "postcss-loader": "^3.0.0",
-    "purgecss-webpack-plugin": "^1.6.0",
     "source-map-loader": "^0.2.4",
     "tailwindcss": "^1.0.4",
     "terser-webpack-plugin": "^1.3.0",
@@ -39,4 +40,4 @@
     "webpack-cli": "^3.3.2",
     "webpack-dev-server": "^3.5.1"
   }
-}
+}