Add sensord service file for systemd

Original file contributed by Nikola Pajkovsky.

prog/init/sensord.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Log hardware monitoring data
+After=syslog.target
+
+[Service]
+EnvironmentFile=-/etc/sysconfig/sensord
+Type=forking
+PIDFile=/var/run/sensord.pid
+ExecStart=/usr/sbin/sensord -i $INTERVAL -l $LOG_INTERVAL -f daemon
+
+[Install]
+WantedBy=multi-user.target