Update assets and sitemap, remove obsolete icons and fonts

Reorganized font and image assets, replacing outdated files with new ones. Removed unused SVG icons and updated the sitemap with new URLs and last modified dates. Simplified font-face declarations to reflect the updated font structure.

docs/assets/javascript/faq.js

@@ -0,0 +1,35 @@
+document.addEventListener('DOMContentLoaded', function() {
+    // Finde alle FAQ-Fragen
+    const faqQuestions = document.querySelectorAll('.custom-faq-question');
+
+    if (faqQuestions.length === 0) {
+        console.log('Keine benutzerdefinierten FAQ-Elemente gefunden');
+        return;
+    }
+
+    console.log('Benutzerdefinierte FAQ-Elemente gefunden:', faqQuestions.length);
+
+    // Füge Event-Listener zu jeder Frage hinzu
+    faqQuestions.forEach(question => {
+        question.addEventListener('click', function() {
+            // Toggle active class auf der Frage
+            this.classList.toggle('active');
+
+            // Toggle active class auf der Antwort
+            const answer = this.nextElementSibling;
+            answer.classList.toggle('active');
+
+            // Wenn diese Frage geöffnet wurde, schließe alle anderen
+            if (this.classList.contains('active')) {
+                faqQuestions.forEach(otherQuestion => {
+                    if (otherQuestion !== this && otherQuestion.classList.contains('active')) {
+                        otherQuestion.classList.remove('active');
+                        otherQuestion.nextElementSibling.classList.remove('active');
+                    }
+                });
+            }
+        });
+    });
+
+    console.log('Benutzerdefinierte FAQ-Funktionalität initialisiert');
+});