docs: Update /v1/node/{node-id} example response
docs: Update /v1/node/{node-id} example response

The nodes api documentation is fairly out of date, here I've updated the
entire response based on a local dev agent, rather than explicitly
adding new fields to bring us up to the current api shape.

burdandrei/nomad,dvusboy/nomad,hashicorp/nomad,burdandrei/nomad,dvusboy/nomad,dvusboy/nomad,hashicorp/nomad,hashicorp/nomad,burdandrei/nomad,dvusboy/nomad,dvusboy/nomad,burdandrei/nomad,burdandrei/nomad,hashicorp/nomad,hashicorp/nomad,dvusboy/nomad,dvusboy/nomad,burdandrei/nomad,hashicorp/nomad,burdandrei/nomad