Add generated starter app

lib/mv_web/controllers/page_controller.ex

@@ -0,0 +1,9 @@
+defmodule MvWeb.PageController do
+  use MvWeb, :controller
+
+  def home(conn, _params) do
+    # The home page is often custom made,
+    # so skip the default app layout.
+    render(conn, :home, layout: false)
+  end
+end