feat: add navigation items

src/_includes/partials/header.html

@@ -1,5 +1,5 @@
-<header class="navbar">
-    <nav class="wrapper flex items-center">
+<header class="[ navbar ]">
+    <nav class="[ wrapper flex items-center justify-between ]">
         <div class="[ flex items-center ] [ site-logo ]">
             <a class="[ flex items-center justify-center ] [ logo ]" href="#">
                 <img src="/assets/images/logo.svg" width="32" height="32" alt="" />

src/_includes/partials/menu.html

@@ -1,4 +1,4 @@
-<ul>
+<ul class="[ flex ] [ links ]">
     {% for item in navigation.top %}
         <li>
             <a class="nav" href="{{ item.url }}" {{ helpers.getLinkActiveState(item.url, page.url) | safe }}>{{ item.text }}</a>