Adding path

Please double-check the default value.

Author: ThomasLandauer

reference/configuration/security.rst

@@ -528,6 +528,13 @@ The user is considered to have changed when the user class implements
 required by the :class:`Symfony\\Component\\Security\\Core\\User\\UserInterface`
 (like the username, password or salt) changes.
 
+``path``
+~~~~~~~~
+
+**type**: ``string`` **default**: ``/``
+
+The path which triggers logout.
+
 ``success_handler``
 ~~~~~~~~~~~~~~~~~~~