Add missing template file for directory backups

ROOT/DEBIAN/control

@@ -3,6 +3,6 @@ Priority: optional
 Section: otherosfs
 Maintainer: Chemistry COs <support@ch.cam.ac.uk>
 Architecture: all
-Version: 0.9-ch73
+Version: 0.9-ch74
 Depends: zfs-dkms, postgresql-13 | postgresql-9.5 | postgresql-9.4 , liblockfile-simple-perl, libdbi-perl, libjson-perl, libzfs-perl-chem, libnet-openssh-perl, libdbd-pg-perl, mbuffer, rsync, nfs-kernel-server, pv, libwww-curl-perl
 Description: a backup system using ZFS (repository 'backup-scheduler')

ROOT/etc/chem-zfs-backup-server/zfs-rsync.d/template_.directory

+# Settings for the ZFS-Rsync backup of an unconfigured machine
+
+# Extra settings for rsync
+RSYNCARGS=""
+# Preparation script
+PRE=/bin/true
+# Post-run script
+POST=
+# SSHUSER may be set
+SSHUSER=