Add trusted nodes with privileged access

[FSys77]

I have two full nodes running. In case one nodes gets out of sync it would be nice if there is a fast way to get it back in sync using the other node. Kind of "preferred clients" list in the config. A list of IPs that are feed with blockchain data really fast so that they get back in sync quickly.

I can already add with "chia show -a" such a node from within my own network, but it is not treated different from a node that is on the other side of the world. Downloading is painfully slow.