Add importing html and save it to Article

Additionally defines a wizard logic which is partially unused yet.

lib/outlook/authors.ex

@@ -37,6 +37,11 @@ defmodule Outlook.Authors do
   """
   def get_author!(id), do: Repo.get!(Author, id)
 
+  def get_author_with_articles!(id) do
+    Repo.get!(Author, id)
+    |> Repo.preload([:articles])
+  end
+
   @doc """
   Creates a author.