fix: prettier fix

Author: seveibar

src/DemoSite/index.story.js

@@ -7,5 +7,4 @@ import { action } from "@storybook/addon-actions"
 
 import DemoSite from "./"
 
-storiesOf("DemoSite", module)
-  .add("Basic", () => <DemoSite />)
+storiesOf("DemoSite", module).add("Basic", () => <DemoSite />)