Update webpack.config.js

Fix for "configuration.node has an unknown property 'fs'"

Author: ShimonaR-MC

webpack.config.js

@@ -9,7 +9,9 @@ module.exports = {
     libraryTarget: 'var'
 
   },
-  node: {
-    fs: "empty"
+  resolve: {
+    fallback: {
+      fs: false
+    }
   }
 };