feature: admin of a circle displayed

- CSS added
- architecture reworked
- new field 'is-admin' used
- members field used instead of team field.

src/templates/hd-circle-team.pug

@@ -3,14 +3,23 @@ include hd-user-avatar.pug
 sib-widget(name='circle-team-template')
   template
     sib-display(
-      data-src="${await value}"
-      fields='account.picture, sup(name, groups), sub(profile.city)'
+      data-src='${await value}'
+      fields='account.picture, sup(user.name, is_admin, user.groups), sub(user.profile.city)'
+
+      class-user.name='user-name'
+      class-is_admin='tag-admin'
+      class-user.groups='tag-group'
+      class-user.profile.city='city'
 
       widget-account.picture='hd-user-avatar'
-      widget-groups='hd-user-groups'
+      widget-is_admin='hd-user-admin'
+      widget-user.groups='hd-user-groups'
 
-      multiple-groups=''
+      multiple-user.groups=''
     )
 
+sib-widget(name='hd-user-admin')
+  template ${await value ? "Administrator" : ""}
+
 sib-widget(name='hd-user-groups')
   template ${await value.name}