Step 1.3: Add webpack config declaration in package.json

Author: dotansimha

package.json

@@ -38,5 +38,8 @@
     "@ionic/app-scripts": "3.0.0",
     "typescript": "^2.4.2"
   },
-  "description": "whatsapp: An Ionic project"
+  "description": "whatsapp: An Ionic project",
+  "config": {
+    "ionic_webpack": "./webpack.config.js"
+  }
 }