Added systemd scripts and install scripts

scripts/doorlockd-start

@@ -0,0 +1,12 @@
+#!/bin/bash
+PIDFILE=/tmp/doorlockd-pid
+
+gpio load spi
+gpio load i2c
+
+/home/ralf/doorlockd-build/doorlockd &
+PID=$!
+
+echo $PID > $PIDFILE
+
+wait $PID

scripts/doorlockd-stop

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+PIDFILE=/tmp/doorlockd-pid
+
+if [ -f $PIDFILE ]
+then
+    kill `cat $PIDFILE`
+    rm $PIDFILE
+else
+    echo "PID file not existent"
+fi
+

scripts/doorlockd.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Binary Kitchen doorlockd service
+After=network.target
+
+[Service]
+User=root
+Group=root
+ExecStart=/usr/local/share/doorlockd/doorlockd-start
+ExecStop=/usr/local/share/doorlockd/doorlockd-stop
+
+[Install]
+WantedBy=multi-user.target
+