adding systemd files

backup.sh.service

@@ -0,0 +1,11 @@
+[Unit]
+Description=Run backup.sh as configured
+
+[Service]
+Environment=XDG_CONFIG_HOME=/home/FIXME/.config
+Environment=XDG_DATA_HOME=/home/FIXME/.local/share
+Type=simple
+ExecStart=/home/FIXME/.local/share/backup.sh/backup.sh backup FIXME
+
+[Install]
+WantedBy=default.target

backup.sh.timer

@@ -0,0 +1,17 @@
+[Unit]
+Description=Run backup.sh at specified interval
+RefuseManualStart=no        # Allow manual starts
+RefuseManualStop=no         # Allow manual stops
+
+[Timer]
+# Execute job if it missed a run due to machine being off
+Persistent=true
+# Run 15 minutes after boot for the first time
+OnBootSec=900
+# Run every 24 hours thereafter
+OnUnitInactiveSec=86400
+# File describing job to execute
+Unit=backup.sh.service
+
+[Install]
+WantedBy=timers.target