Add enviroment to invite config (#613)

Author: phavekes

roles/invite/templates/serverapplication.yml.j2

@@ -120,6 +120,8 @@ config:
   eduid-idp-schac-home-organization: {{ invite.eduid_idp_schac_home_organization }}
   # Determines the languages available for switching language, supported are 'nl', 'en' and 'pt'
   languages: "nl, en"
+  environment: {{ environment_shortname }}
+
 
 feature:
   limit-institution-admin-role-visibility: {{ invite.limit_institution_admin_role_visibility }}