When adding a user via API creating a session token and sending it with the response.

lib/beet_round_server_web/controllers/user_json.ex

@@ -8,6 +8,13 @@ defmodule BeetRoundServerWeb.UserJSON do
     %{data: for(user <- users, do: data(user))}
   end
 
+  @doc """
+  Renders a single user with token.
+  """
+  def show(%{user: user, token: encoded_token}) do
+    %{data: %{email: user.email, id: user.id, token: encoded_token}}
+  end
+
   @doc """
   Renders a single user.
   """