Add initial DNS cronjob script

dns/cron.sh

+#!/bin/sh -ex
+
+if [ "$(id -u)" -ne "0" ]; then
+	echo "[-] Must be run as root" 1>&2
+	exit 1
+fi
+
+myzones="/usr/local/etc/void-zones/my_void_hosts.txt"
+
+cd /data/Ultimate.Hosts.Blacklist
+git pull
+
+grep '^0\.0\.0\.0' hosts/hosts0 > ${myzones}
+grep '^0\.0\.0\.0' hosts/hosts1 >> ${myzones}
+
+/usr/local/bin/void-zones-update.sh
+service unbound restart