CSS/JS mit Versionsnummer laden, damit kein alter Stand aus dem Cache kommt

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

hundeschule.html

@@ -10,7 +10,7 @@
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Questrial&display=swap" rel="stylesheet">
-  <link rel="stylesheet" href="assets/site.css">
+  <link rel="stylesheet" href="assets/site.css?v=c9d7b72e">
 </head>
 <body>
   <header class="site-header">
@@ -104,6 +104,6 @@
       <div class="footer-meta"><span>© 2026 Schmacko Napf &amp; Hundetraining by Katha</span><span>Fotos: Steffi Biller, KK-Fotografie</span></div>
     </footer>
   </main>
-  <script src="assets/site.js"></script>
+  <script src="assets/site.js?v=4a2c8d49"></script>
 </body>
 </html>