hide modal on escape

static/js/app.js

@@ -380,6 +380,13 @@ modal.addEventListener('click', (e) => {
     }
 });
 
+// Close modal when pressing escape
+document.addEventListener('keydown', (e) => {
+    if (e.key === 'Escape' && modal.classList.contains('show')) {
+        hideModal();
+    }
+});
+
 confirmButton.addEventListener('click', async () => {
     const url = document.getElementById('feedUrl').value.trim();