fix: Add ClusterSupervisor to supervision tree

apps/core/lib/core/application.ex

@@ -6,7 +6,10 @@ defmodule Legendary.Core.Application do
   use Application
 
   def start(_type, _args) do
+    topologies = Application.get_env(:libcluster, :topologies)
+
     children = [
+      {Cluster.Supervisor, [topologies, [name: Legendary.Core.ClusterSupervisor]]},
       # Start the Ecto repository
       Legendary.Core.Repo,
       # Start the Telemetry supervisor

config/config.exs

@@ -76,7 +76,7 @@ config :app,
 config :libcluster,
   topologies: [
     local_epmd: [
-      Elixir.Cluster.Strategy.LocalEpmd
+      strategy: Elixir.Cluster.Strategy.LocalEpmd
     ]
   ]