add a setup script

[matuszeg]

this grabs the on-boot-script and moves everything into the correct directories and makes them executable

I made this for myself for convenience. figured that I would share. I did notice that the readme says to put things at /mnt/data but when i installed on-boot it told me to put things in /data instead. I am using a udm-pro perhaps this is a difference between the udm-pro and the udm-se. if so I can modify this script to check for which of the two the script is being run on and move things accordingly. I thought one of the maintainers with a udm-se might be able to confirm my theory

[TotalGriffLock]

Thanks - will review your patches on an SE and a Pro and see how it works. My initial thought is it might disturb some of the functionality used by people who have PPPoE over a VLAN on their WAN which is something I can't test.