feature: Show add circle button only if user has the proper rights

src/views/admin/page-admin-circles.pug

@@ -33,10 +33,11 @@
 
         h3 Cercles
 
-        solid-link(
-          class='button text-bold text-uppercase reversed button-primary bordered with-icon icon-plus'
-          next='admin-circle-create'
-        ) Créer un cercle
+        solid-ac-checker(data-src=`${endpoints.circles || (endpoints.get && endpoints.get.circles)}`, permission='acl:Append')
+          solid-link(
+            class='button text-bold text-uppercase reversed button-primary bordered with-icon icon-plus'
+            next='admin-circle-create'
+          ) Créer un cercle
 
       .table-wrapper
         .table