style: format code

src/parser/classes/MusicNavigationButton.js

@@ -1,14 +1,15 @@
 import Text from './misc/Text';
 import NavigationEndpoint from './NavigationEndpoint';
-
 import { YTNode } from '../helpers';
 
 class MusicNavigationButton extends YTNode {
   static type = 'MusicNavigationButton';
+
   constructor(data) {
     super();
     this.button_text = new Text(data.buttonText).toString();
     this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
   }
 }
-export default MusicNavigationButton;
+
+export default MusicNavigationButton;