feat: add supervisor role

templates/dashboard/index.html.twig

@@ -62,11 +62,12 @@
         {% endif %}
 
         {#
-            The header is deliberately not navigation, so the dashboard is the only place an
-            admin screen can be reached from.
+            The header is deliberately not navigation, so the dashboard is the only place the
+            overview and the admin screens can be reached from. ROLE_SUPERVISOR includes
+            administrators through role_hierarchy.
         #}
-        {% if is_granted('ROLE_ADMIN') %}
-            <a href="{{ path('app_admin_booking') }}"
+        {% if is_granted('ROLE_SUPERVISOR') %}
+            <a href="{{ path('app_manage_booking') }}"
                class="group flex flex-col rounded-md border border-gray-200 p-6 hover:border-primary hover:bg-gray-50">
                 <div class="flex items-center gap-3 pb-2">
                     {{ ux_icon('lucide:shield-check', { class: 'h-6 w-6 shrink-0 text-primary' }) }}
@@ -76,7 +77,9 @@
                     Buchungen aller Mitarbeitenden einsehen und ggf. freigeben.
                 </p>
             </a>
+        {% endif %}
 
+        {% if is_granted('ROLE_ADMIN') %}
             <a href="{{ path('app_admin_resource') }}"
                class="group flex flex-col rounded-md border border-gray-200 p-6 hover:border-primary hover:bg-gray-50">
                 <div class="flex items-center gap-3 pb-2">