close the nav via 'going back' in the browser

layouts/partials/js-global.html

@@ -2,6 +2,7 @@
 	function openNavDrawer() {
 		navDrawerOverlay.classList.toggle('d-none')
 		navDrawer.style.transform = 'translate(0)'
+		window.location.hash = '#nav'
 	}
 
 	function closeNavDrawer() {
@@ -62,5 +63,17 @@
 		}
 		setThemeTo(th)
 		initToggle(th)
+		closeNavDrawer()
 	})()
+
+	if (window.location.hash == '#nav') {
+		history.replaceState("", document.title, window.location.pathname);
+	}
+
+	window.addEventListener('hashchange', function(e) {
+		if (window.location.hash == '') {
+			closeNavDrawer()
+			history.replaceState("", document.title, window.location.pathname);
+		}
+	})
 </script>