Extracts modules for different sections of the UI

lib/display/intro.ex

@@ -0,0 +1,15 @@
+defmodule Display.Intro do
+  def intro(module, modules) do
+    if not module in modules do
+      show_intro(module.intro)
+    else
+      ""
+    end
+  end
+
+  def show_intro(""), do: nil
+  def show_intro(message) do
+    message <> "\n"
+    |> Colours.green
+  end
+end