add daemon daemonizer

Netdisco/bin/netdisco-daemon

@@ -0,0 +1,15 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings FATAL => 'all';
+
+use Daemon::Control;
+
+my $program = "$ENV{HOME}/bin/netdisco-daemon-fg";
+
+Daemon::Control->new({
+  name => 'Netdisco Daemon',
+  user => 'netdisco',
+  program  => ($ENV{NETDISCO_DAEMON} || $program),
+  pid_file => "$ENV{HOME}/netdisco-daemon.pid",
+})->run;