Replaced German by English comments

app/static/js/tooltip.js

@@ -1,7 +1,7 @@
-// Initialisiert alle Tooltips auf der Seite
+// Initializes all tooltips on the page
 document.addEventListener('DOMContentLoaded', function () {
     var tooltipTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="tooltip"]'));
     tooltipTriggerList.forEach(function (tooltipTriggerEl) {
         new bootstrap.Tooltip(tooltipTriggerEl);
     });
-});
+});