Add script to start PXE services on initialization

This script starts essential PXE services using systemctl.

root/etc/s6-overlay/s6-rc.d/cont-init.d/99-start-pxe-services.sh

@@ -0,0 +1,11 @@
+#!/command/with-contenv bash
+
+echo "Starte PXE-relevante Dienste via systemctl-shim..."
+
+# Hier alle Dienste auflisten, die der PXE-Server braucht
+systemctl start rpcbind
+systemctl start nfs-kernel-server
+systemctl start dnsmasq
+systemctl start lighttpd
+systemctl start smbd
+systemctl start nmbd