Initial node implementation.

[sdake]

The Artificial Wisdom Node code runs on each metal node under management. These nodes are then joined into an Istio service mesh using mesh expansion. The Node code runs ML workloads.

[sdake]

@rstarmer agree, testing beyond the basics, is difficult. Thinking of how other technology firms test virtual machine operation, generally there is some form of functional test. Unfortunately, these functional tests are rarely adequate. Open to ideas.