feat(abs): add the initial version of the systemctl abstraction.

apparmor.d/abstractions/systemctl

@@ -0,0 +1,18 @@
+# apparmor.d - Full set of apparmor profiles
+# Copyright (C) 2024 Alexandre Pujol <alexandre@pujol.io>
+# SPDX-License-Identifier: GPL-2.0-only
+
+  include <abstractions/consoles>
+
+  ptrace (read) peer=@{systemd},
+
+  unix (bind) type=stream addr=@@{hex}/bus/systemctl/,
+
+  @{bin}/systemctl mr,
+
+  owner @{run}/systemd/private rw,
+
+  @{PROC}/cmdline r,
+  @{PROC}/sys/kernel/osrelease r,
+
+  include if exists <abstractions/systemctl.d>