login issue

public/index.html

@@ -4,6 +4,8 @@
   <meta charset="UTF-8" />
   <title>Spelling App with Roles</title>
   <link rel="stylesheet" href="styles.css">
+  <script src="https://cdn.jsdelivr.net/npm/jssha/dist/sha.js"></script>
+  <script src="script.js" defer></script>
 </head>
 <body>
 
@@ -90,7 +92,5 @@
 
     <div id="summary" class="hidden"></div>
   </div>
-<script src="https://cdn.jsdelivr.net/npm/jssha@3.4.0/dist/sha256.min.js"></script>
-<script src="script.js"></script>
   </body>
 </html>