finalized debian package

kbdled-1.3/DEBIAN/postinst

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+echo "update Systemd daemon"
+`systemctl daemon-reload`
+echo "activate kbdLed script"
+`systemctl enable kbdLED.service`

kbdled-1.3/DEBIAN/prerm

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+echo "deactivate kbdLed script"
+`systemctl disable kbdLED.service`