user-role-cluster (#761)

Reviewed-on: Ruderverein-Donau-Linz/rowt#761

templates/admin/user/index.html.tera

@@ -79,9 +79,12 @@
                         <div class="w-full grid gap-3 mt-3">
                             <input type="hidden" name="id" value="{{ user.id }}" />
                             <div class="grid sm:grid-cols-2 lg:grid-cols-4 gap-3">
+                                {# for cluster, r in roles | group_by(attribute="cluster") #}
+                                {# cluster #}
                                 {% for role in roles %}
                                     {{ macros::checkbox(label=role.name, name="roles[" ~ role.id ~ "]", id=loop.index , checked=role.name in user.roles, disabled=allowed_to_edit == false) }}
                                 {% endfor %}
+                                {# endfor #}
                                 <hr class="sm:col-span-2 lg:col-span-4 my-3" />
                                 {% if user.membership_pdf %}
                                     <a href="/admin/user/{{ user.id }}/membership"