bridge-mautrix-googlechat: add option for creating non-federated rooms

roles/matrix-bridge-mautrix-googlechat/defaults/main.yml

@@ -41,6 +41,9 @@ matrix_mautrix_googlechat_systemd_wanted_services_list: []
 matrix_mautrix_googlechat_appservice_token: ''
 matrix_mautrix_googlechat_homeserver_token: ''
 
+# Whether or not created rooms should have federation enabled.
+# If false, created portal rooms will never be federated.
+matrix_mautrix_googlechat_federate_rooms: true
 
 # Database-related configuration fields.
 #