add systemd unit and udev rules

systemd/g810-led-reboot.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Set G810 profile on shutdown
+DefaultDependencies=no
+Before=shutdown.target reboot.target halt.target
+
+
+[Service]
+ExecStart=/usr/bin/g810-led -p /etc/g810-led/reboot
+Type=oneshot
+RemainAfterExit=yes
+
+[Install]
+WantedBy=shutdown.target
+

systemd/g810-led.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Set Logitech G810 Led Profile
+
+[Service]
+ExecStart=/bin/g810-led -p /etc/g810-led/profile
+
+[Install]
+WantedBy=multi-user.target
+Type=oneshot
+RemainAfterExit=yes