Add demo script

demo/country.py

@@ -0,0 +1,10 @@
+# This file is part of Tryton.  The COPYRIGHT file at the top level of
+# this repository contains the full copyright notices and license terms.
+
+try:
+    from trytond.modules.country.scripts.import_countries import do_import
+except ImportError:
+    def do_import(*args, **kwargs):
+        pass
+
+__all__ = [do_import]