added camp registration stop message

src/main/resources/templates/camp/registration.html

@@ -40,7 +40,8 @@
 				</ul>
 				<div class="tab-content">
 					<div id="new" class="tabpanel">
-						<form th:action="@{/camp/registration/submit}" method="post" th:object="${bean}">
+					 	<div class="alert alert-info">Die Zeit für die Anmeldung zur Gemeindefreizeit 2025 ist vorbei.</div>
+						<form th:action="@{/camp/registration/submit}" method="post" th:object="${bean}" th:if="${oldie}">
 							<div class="row g-3">
 
 								<div class="col-sm-3">Vorname</div>