Add an info about dropdown content to be able to find it back easily

templates/partials/navigation.html.twig

@@ -4,6 +4,7 @@
         {% set current_page = (p.active or p.activeChild) ? 'active' : '' %}
         <li class="dropdown {{ current_page }}">
             <a href="{{ p.url }}">{{ p.menu }}</a>
+            {# The following if section is to get a dropdown menu based on content #}
             {% if p.children.count > 0 %}
             <ul class="dropdown-content">
                 {{ _self.loop(p) }}