creating layout

src/assets/js/main.js

@@ -0,0 +1,10 @@
+(function () {
+	const toggle = document.querySelector(".site-nav__toggle");
+	const list = document.querySelector(".site-nav__list");
+	if (!toggle || !list) return;
+
+	toggle.addEventListener("click", () => {
+		const isOpen = list.classList.toggle("site-nav__list--open");
+		toggle.setAttribute("aria-expanded", String(isOpen));
+	});
+})();