Media UI v1 (#17)

* Updated comments

* Added basic media tables to sources#show

* Adds a very basic listing and show page for media

test/pinchflat_web/controllers/media_item_controller_test.exs

@@ -0,0 +1,19 @@
+defmodule PinchflatWeb.MediaItemControllerTest do
+  use PinchflatWeb.ConnCase
+
+  import Pinchflat.MediaFixtures
+
+  describe "show media" do
+    setup [:create_media_item]
+
+    test "renders the page", %{conn: conn, media_item: media_item} do
+      conn = get(conn, ~p"/media/#{media_item}")
+      assert html_response(conn, 200) =~ "Media Item ##{media_item.id}"
+    end
+  end
+
+  defp create_media_item(_) do
+    media_item = media_item_fixture()
+    %{media_item: media_item}
+  end
+end