Added 'a11y' and 'source' addons to storybook as well as more stories

.storybook/main.js

@@ -2,15 +2,23 @@ const rules = require('../config/webpack.rules');
 
 module.exports = {
   stories: ['../stories/**/*.stories.js'],
-  addons: ['@storybook/addon-actions', '@storybook/addon-links'],
+  addons: [
+    '@storybook/addon-actions',
+    '@storybook/addon-links',
+    '@storybook/addon-a11y/register',
+    '@storybook/addon-storysource',
+  ],
   webpackFinal: async config => {
     // do mutation to the config
+    console.log("config.module", config.module);
 
     return {
       ...config,
       module: {
-        ...config.module,
-        rules
+        rules: [
+          ...config.module.rules,
+          ...rules,
+        ]
       }
     };
   },