v1 of custom theme

js/menu-toggle.js

@@ -0,0 +1,19 @@
+// Wait for the page to load
+document.addEventListener('DOMContentLoaded', function() {
+  const btn = document.querySelector('#menu-toggle');
+  const menu = document.querySelector('.layout-menus');
+
+const menuState = localStorage.getItem('menuHidden');
+if (menuState === 'true') {
+  menu.classList.add('u-hidden');
+}
+
+  if (btn && menu) {
+    btn.addEventListener('click', function() {
+      menu.classList.toggle('u-hidden');
+
+      const isHidden = menu.classList.contains('u-hidden');
+      localStorage.setItem('menuHidden', isHidden);
+    });
+  }
+});