Add cookie disclaimer

src/main/resources/templates/settings.html

@@ -248,6 +248,7 @@
     <script th:inline="javascript">
       const serverRenderedSettings = /*[[${settingsJson}]]*/;
     </script>
+    <script src="/js/cookie-consent.js"></script>
     <script src="/js/settings.js"></script>
     <script src="/js/toast.js"></script>
   </body>