Integrate Matrix Authentication Service in test environment

docker/synapse/delayed_accounts_creation.sh

@@ -1,2 +0,0 @@
-register_new_matrix_user -a --user admin1 --password admin1 --config /config/homeserver.yaml;
-register_new_matrix_user --no-admin --user user1 --password user1 --config /config/homeserver.yaml;

docker/synapse/homeserver.yaml

@@ -33,3 +33,9 @@ signing_key_path: "/config/localhost.signing.key"
 trusted_key_servers:
   - server_name: "matrix.org"
 # vim:ft=yaml
+matrix_authentication_service:
+  enabled: true
+  endpoint: http://mas:8778/
+  secret: "IhKoLn6jWf1qRRZWvqgaKuIdwD6H0Mvx"
+  # Alternatively, using a file:
+  #secret_file: /path/to/secret.txt