Example docker setup

I made that change for you. I have many other projects that I tie into docker so I don’t like to clutter up the root space on my own system. If this is all you are setting up its easier to have the mineos.conf in the root. Feel free to use this example however you want. I have been using mineos for a few years now to run servers for my kids so Its good that I can give something back. Thanks for all your work.

Sam