cli: add opensnitch-cli, a headless client for machines with no graphical environment

ui/bin/opensnitch-cli

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+#
+#   Copyright (C) 2026 The OpenSnitch Authors
+#
+#   This file is part of OpenSnitch.
+#
+#   OpenSnitch is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#
+#   OpenSnitch is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with OpenSnitch.  If not, see <http://www.gnu.org/licenses/>.
+
+import sys
+
+from opensnitch.cli.main import main
+
+if __name__ == '__main__':
+    sys.exit(main())