Add patch_panel example

examples/patch_panel/mix.exs

@@ -0,0 +1,26 @@
+defmodule PatchPanel.MixProject do
+  use Mix.Project
+
+  def project do
+    [
+      app: :patch_panel,
+      version: "0.1.0",
+      elixir: "~> 1.6",
+      start_permanent: Mix.env() == :prod,
+      deps: deps()
+    ]
+  end
+
+  # Run "mix help compile.app" to learn about applications.
+  def application do
+    [
+      extra_applications: [:logger],
+      mod: {PatchPanel.Application, []}
+    ]
+  end
+
+  # Run "mix help deps" to learn about dependencies.
+  defp deps do
+    [{:tres, path: "../../../tres"}]
+  end
+end