Improve eslint rules (#3147)

* Add semi to ESLint rules

* Add padded-blocks to ESLint rules

* Add comma-dangle to ESLint rules

* add config/webpack and storyboard

* add streaming/

* yarn test:lint -- --fix

app/javascript/mastodon/features/account/components/action_bar.js

@@ -33,7 +33,7 @@ class ActionBar extends React.PureComponent {
     onMute: PropTypes.func.isRequired,
     onBlockDomain: PropTypes.func.isRequired,
     onUnblockDomain: PropTypes.func.isRequired,
-    intl: PropTypes.object.isRequired
+    intl: PropTypes.object.isRequired,
   };
 
   render () {