Merge branch '21caog1bif-master-patch-90068' into 'master'

Update public/index.html

See merge request !132

public/index.html

@@ -286,7 +286,7 @@
   </div>
 
   <!-- Audio-Element für Button-Klick -->
-  <audio id="button-sound" src="click.mp3" preload="auto"></audio>
+  <audio id="button-sound" src="sounds/click.mp3" preload="auto"></audio>
 
   <script>
     // Variablen