Turn Aife into an application

lib/aife/application.ex

@@ -0,0 +1,15 @@
+defmodule Aife.Application do
+  @moduledoc false
+
+  use Application
+
+  def start(_, _) do
+    children = [
+      Aife.Drone.Supervisor
+    ]
+
+    opts = [strategy: :one_for_one, name: Aife.Supervisor]
+
+    Supervisor.start_link(children, opts)
+  end
+end

mix.exs

@@ -26,7 +26,8 @@ defmodule Aife.MixProject do
   # Run "mix help compile.app" to learn about applications.
   def application do
     [
-      extra_applications: [:logger]
+      extra_applications: [:logger],
+      mod: {Aife.Application, []}
     ]
   end
 

test/aife_test.exs

@@ -1,8 +1,4 @@
 defmodule AifeTest do
   use ExUnit.Case
   doctest Aife
-
-  test "greets the world" do
-    assert Aife.hello() == :world
-  end
 end