Update default.html

Author: jjmax75

_layouts/default.html

@@ -24,7 +24,7 @@ <h1><a href="{{ "/" | absolute_url }}">{{ site.title | default: site.github.repo
 
         <script>
       (async () => {
-        const response = await fetch('https://api.github.com/repos/jjmax75/openjs-nodejs-application-developer-study-guide/contents/');
+        const response = await fetch("https://api.github.com/repos/jjmax75/openjs-nodejs-application-developer-study-guide/contents/");
         const data = await response.json();
         let htmlString = '<ul>';
         for (let file of data) {