feat: Add licensing page and FAQ script, update site content and navigation, and refine PDF tool logic for multi tool

src/js/faq.ts

@@ -0,0 +1,23 @@
+// Simple FAQ accordion handler for standalone pages
+document.addEventListener('DOMContentLoaded', () => {
+    const faqAccordion = document.getElementById('faq-accordion');
+    if (faqAccordion) {
+        faqAccordion.addEventListener('click', (e) => {
+            const questionButton = (e.target as HTMLElement).closest('.faq-question');
+            if (!questionButton) return;
+
+            const faqItem = questionButton.parentElement;
+            const answer = faqItem?.querySelector('.faq-answer') as HTMLElement;
+
+            if (!faqItem || !answer) return;
+
+            faqItem.classList.toggle('open');
+
+            if (faqItem.classList.contains('open')) {
+                answer.style.maxHeight = answer.scrollHeight + 'px';
+            } else {
+                answer.style.maxHeight = '0px';
+            }
+        });
+    }
+});