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/components/column_collapsable.js

@@ -8,11 +8,11 @@ class ColumnCollapsable extends React.PureComponent {
     title: PropTypes.string,
     fullHeight: PropTypes.number.isRequired,
     children: PropTypes.node,
-    onCollapse: PropTypes.func
+    onCollapse: PropTypes.func,
   };
 
   state = {
-    collapsed: true
+    collapsed: true,
   };
 
   handleToggleCollapsed = () => {
@@ -41,6 +41,7 @@ class ColumnCollapsable extends React.PureComponent {
       </div>
     );
   }
+
 }
 
 export default ColumnCollapsable;