Add monthly offsite restore tests and automatic cleanup

tools/build-update-package.py

@@ -15,6 +15,9 @@ FILES = ['install.sh', 'update.sh', 'README.md', 'Dokumentation.md', 'UPDATE_ANL
          'usr-local-sbin/app-backup.sh', 'usr-local-sbin/app-restore.sh',
          'systemd/app-backup.service', 'systemd/app-backup.timer', 'logrotate/app-backup',
          'etc/app-backup/app-backup.conf']
+FILES += ['RESTORE_TEST.md', 'usr-local-sbin/app-restore-test.sh', 'lib/restore_test.py', 'lib/restore-test-remote.sh',
+          'systemd/app-restore-test.service', 'systemd/app-restore-test.timer',
+          'systemd/app-restore-test-cleanup.service']
 
 
 def build(output, version):