Add netboot generator script

dracut/netmenu/netmenu.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+
+dialog --colors --keep-tite --no-shadow --no-mouse \
+       --backtitle "\Zb\Z7Void Linux installation -- http://www.voidlinux.eu/\Zn" \
+       --cancel-label "Reboot" --aspect 20 \
+       --menu "Select an Action:" 10 50 2 \
+       "Install" "Run void-installer" \
+       "Shell" "Run dash" \
+       2>/tmp/netmenu.action
+
+if ! $? ; then
+    reboot -f
+fi
+
+case $(cat /tmp/netmenu.action) in
+    "Install") /usr/bin/void-installer ; exec sh ;;
+    "Shell") exec sh ;;
+esac