Introduce follower, add tests

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/eventos_web/views/follower_view.ex

@@ -0,0 +1,18 @@
+defmodule EventosWeb.FollowerView do
+  use EventosWeb, :view
+  alias EventosWeb.FollowerView
+
+  def render("index.json", %{followers: followers}) do
+    %{data: render_many(followers, FollowerView, "follower.json")}
+  end
+
+  def render("show.json", %{follower: follower}) do
+    %{data: render_one(follower, FollowerView, "follower.json")}
+  end
+
+  def render("follower.json", %{follower: follower}) do
+    %{id: follower.id,
+      approved: follower.approved,
+      score: follower.score}
+  end
+end