securing with nextcloud oidc

src/main/resources/templates/theme.html

@@ -3,7 +3,7 @@
 <body>
 	<th:block layout:fragment="content">
 		<div class="borderdist">
-			<div class="container">
+			<div class="container" sec:authorize="hasRole('Bibelunterricht')">
 				<div class="row g-2">
 					<h1>
 						Themen für den <span th:text="${#temporals.format(day, 'dd.MM.yyyy')}"></span>