Introduce the `network.cue` topology definition for creating a set of
Radicle nodes and deploying them with the `justfile`.
A set of predefined bootstrap keys are provided with helpers to generate
connection strings inside Node config. Node config can be overwritten
directly inside the CUE config.
Nodes versions are taken from quay.io.
Talos is the cluster manager.
K8s hosts the pods.
Timoni aplpys the CUE configs to the K8s cluster.
Adrian Duke