added Timer and service

NextcloudBackup.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Nextcloud Data Backup
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/root/nextcloudRemoteBackupScripts/
+ExecStart=/root/nextcloudRemoteBackupScripts/NextcloudBackupScript.sh
+
+[Install]
+WantedBy=multi-user.target
+

NextcloudBackup.timer

@@ -0,0 +1,13 @@
+[Unit]
+Description=Nextcloud Data Backup Timer
+
+[Timer]
+OnBootSec=1min
+OnCalendar=Mon-Fri *-*-* 23:00:00
+#OnUnitActiveSec=6h
+Unit=MittagsAppDBBackup.service
+
+[Install]
+WantedBy=multi-user.target
+
+