more work starting 2.9

snippetbox/ui/static/js/main.js

@@ -0,0 +1,8 @@
+var navLinks = document.querySelectorAll("nav a");
+for (var i = 0; i < navLinks.length; i++) {
+	var link = navLinks[i]
+	if (link.getAttribute('href') == window.location.pathname) {
+		link.classList.add("live");
+		break;
+	}
+}