Server that helps the Box to announce its local IP address without relying on mDNS, and to register its LetsEncrypt cert for use on its local IP address.
This PR adds the client code from https://github.com/fxbox/foxbox/pull/163, which is a first step towards making this a stand-alone component which can be used independently from foxbox.
This PR adds the client code from https://github.com/fxbox/foxbox/pull/163, which is a first step towards making this a stand-alone component which can be used independently from foxbox.
r? @ferjm