Refactor domain expiration email

#186

app/presenters/registrar_presenter.rb

@@ -0,0 +1,27 @@
+class RegistrarPresenter
+  def initialize(registrar:, view:)
+    @registrar = registrar
+    @view = view
+  end
+
+  def name
+    registrar.name
+  end
+
+  def email
+    registrar.email
+  end
+
+  def phone
+    registrar.phone
+  end
+
+  def url
+    registrar.url
+  end
+
+  private
+
+  attr_reader :registrar
+  attr_reader :view
+end