feat: add attributes to indicate current page in Desktop navbar

Author: angela-tran

src/_includes/nav.html

@@ -17,7 +17,19 @@
     <ul class="navbar-nav me-auto mb-2 mb-lg-0 d-flex justify-content-end">
       {% for nav_item in site.data.nav %}
       <li class="nav-item">
-        <a class="nav-link" href="{{ nav_item.path }}" {% if nav_item.target %} target="{{ nav_item.target }}" {% endif %}
+        {% assign current_path = page.url | remove:".html" %}
+        <a
+          class="nav-link{% if nav_item.path == current_path %} active"
+          aria-current="page{% endif %}"
+          href="{{ nav_item.path }}"
+          {%
+          if
+          nav_item.target
+          %}
+          target="{{ nav_item.target }}"
+          {%
+          endif
+          %}
           >{{ nav_item.name }}</a
         >
       </li>