Update validate_config.yml

roles/matrix-bridge-mautrix-hangouts/tasks/validate_config.yml

@@ -8,3 +8,5 @@
   with_items:
     - "matrix_mautrix_hangouts_appservice_token"
     - "matrix_mautrix_hangouts_homeserver_token"
+- debug:
+    msg: matrix_base: {{ matrix_base }}, matrix_mautrix_hangouts_homeserver_domain: {{ matrix_mautrix_hangouts_homeserver_domain }}