Added service file for systemd

sleeplight.service

@@ -0,0 +1,17 @@
+[Unit]
+Description=SleepLight (Controls the gpio pins to light LEDs at bedtime)
+After=syslog.target
+After=time-sync.target
+
+[Service]
+RestartSec=2s
+Type=simple
+User=root
+Group=root
+WorkingDirectory=/opt/sleeplight
+ExecStart=/usr/local/bin/node ./runSchedule.js
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+