add a new moderator field on events

Resources/views/Event/edit.html.twig

@@ -14,6 +14,7 @@
     {{ form_row(edit_form.name) }}
     {{ form_row(edit_form.date) }}
     {{ form_row(edit_form.type, { 'label': 'Event type' }) }}
+    {{ form_row(edit_form.moderator) }}
 
     <ul class="record_actions">
         <li>

Resources/views/Event/show.html.twig

@@ -25,6 +25,11 @@
                 <th>{{ 'Circle'|trans }}</th>
                 <td>{{ event.circle.name|localize_translatable_string }}</td>
             </tr>
+            <tr>
+                <th>{{ 'Moderator'|trans }}</th>
+                <td>{{ event.moderator|trans|default('-') }}</td>
+            </tr>
+
         </tbody>
     </table>