libcluster strategy: membership gossip over a Zenoh key.

config :libcluster,
  topologies: [
    dusk: [
      strategy: Dusk.Strategy.Zenoh,
      config: [
        connect: "tcp/127.0.0.1:7447",
        key: "dusk/cluster/nodes",
        interval: 5_000,
        nodes: []
      ]
    ]
  ]

Publishes Node.self(). Does not form Distributed Erlang by itself; seed :nodes or wire connect: when EPMD is reachable.