Move script tag to head

handlers/form.html

@@ -5,6 +5,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <link rel="stylesheet" href="/styles.css" />
     <title>ladder</title>
+    <script src="/script.js" defer></script>
     <script>
       const handleThemeChange = () => {
         let theme = localStorage.getItem("theme");
@@ -342,6 +343,5 @@
         });
       }
     </script>
-    <script src="/script.js"></script>
   </body>
 </html>