Add basic forwarding/multiplexing functionality

lib/frajtano.ex

@@ -1,2 +1,29 @@
 defmodule Frajtano do
+  use Application
+
+  @impl true
+  def start(_type, _args) do
+  	Frajtano.Supervisor.start_link(name: Frajtano.Supervisor)
+  end
 end
+
+defmodule Frajtano.Supervisor do
+  use Supervisor
+
+  def start_link(opts) do
+    Supervisor.start_link(__MODULE__, :ok, opts)
+  end
+
+  @impl true
+  def init(:ok) do
+  	children = [
+  	  Frajtano.Agent,
+  	  {Frajtano.Listener, ["/tmp/frajtano1"]},
+  	  {Task.Supervisor, name: Frajtano.ClientSupervisor},
+  	  {DynamicSupervisor, name: Frajtano.Peer}
+  	]
+
+  	Supervisor.init(children, strategy: :one_for_one)
+  end
+end
+