[#3] Move source code of testlib to src directory

Signed-off-by: Vladimir Domnich <v.domnich@yadro.com>

src/neofs_testlib/cli/neofs_authmate/version.py

@@ -0,0 +1,13 @@
+from neofs_testlib.cli.cli_command import CliCommand
+from neofs_testlib.shell import CommandResult
+
+
+class NeofsAuthmateVersion(CliCommand):
+    def get(self) -> CommandResult:
+        """Application version
+
+        Returns:
+            str: Command string
+
+        """
+        return self._execute("", version=True)