Update index.html

Author: johnstack

ng_sandbox/index.html

@@ -39,7 +39,7 @@ <h1 id="title">Loading...</h1>
   </div>
 
   <script>
-    fetch('https://johnstack.github.com/ng_sandbox/collection.json')
+    fetch('https://johnstack.github.io/JavaScript-Sandpit/ng_sandbox/collection.json')
       .then(response => response.json())
       .then(data => {
         if (!Array.isArray(data) || data.length === 0) {