Fix deprecated Storybook config

.storybook/webpack.config.js

@@ -1,23 +1,23 @@
 const path = require('path');
 
-module.exports = {
-  module: {
-    rules: [
-      {
-        test: /\.tsx?$/,
-        loader: 'ts-loader',
-        include: [
-          path.join(__dirname, '../src'),
-          path.join(__dirname, '../stories')
-        ]
-      }
+module.exports = async ({ config, mode }) => {
+
+  config.module.rules.push({
+    test: /\.tsx?$/,
+    loader: 'ts-loader',
+    include: [
+      path.join(__dirname, '../src'),
+      path.join(__dirname, '../stories')
     ]
-  },
-  resolve: {
+  });
+
+  config.resolve =  {
     alias: {
       'vue$': 'vue/dist/vue.esm.js' // 'vue/dist/vue.common.js' for webpack 1
     },
     extensions: ['.ts', '.tsx', '.js', '.jsx'],
     enforceExtension: false
-  }
+  };
+
+  return config;
 };