feat: add passkey creation functionality

pkg/blocks/form/credentials.templ

@@ -113,17 +113,20 @@ templ CredentialsScripts() {
                     .replace(/\//g, '_')
                     .replace(/=/g, '');
             }
+            // Function to create a passkey
+            function createPasskey(button) {
+                const passkey = window.crypto.getRandomValues(new Uint8Array(32)).join('');
+                // Assuming there is a hidden input field to store the passkey
+                const hiddenInput = button.closest('form').querySelector('input[name="passkey"]');
+                if (hiddenInput) {
+                    hiddenInput.value = passkey;
+                }
+                console.log('Passkey generated:', passkey);
+            }
         </script>
 	}
 }
 
-script CreatePasskey(id string) {
-    function createPasskey(id) {
-         const passkey = document.getElementById(id);
-         passkey.value = window.crypto.getRandomValues(new Uint8Array(32)).join('');
-    }
-}
-
 // Template for creating credentials
 templ CreateCredential(options *RegisterOptions) {
 	@CredentialsScripts()