twig person/thirdparty renderbox: add a customArea option

with 2 areas to begin:
* before the label
* after the label

src/Bundle/ChillThirdPartyBundle/Templating/Entity/ThirdPartyRender.php

@@ -54,6 +54,7 @@ class ThirdPartyRender extends AbstractChillEntityRender
             'addInfo' => $options['addInfo'] ?? false,
             'hLevel' => $options['hLevel'] ?? 3,
             'customButtons' => $options['customButtons'] ?? [],
+            'customArea' => $options['customArea'] ?? [],
         ];
 
         return