Mails: move to their own namespace

app/models/mails/initiated_mail.rb

@@ -0,0 +1,15 @@
+module Mails
+  class InitiatedMail < ActiveRecord::Base
+    include MailTemplateConcern
+
+    def name
+      "Accusé de réception"
+    end
+
+    def self.default
+      obj = "Votre dossier TPS N°--numero_dossier-- a été bien reçu"
+      body = ActionController::Base.new.render_to_string(template: 'notification_mailer/initiated_mail')
+      InitiatedMail.new(object: obj, body: body)
+    end
+  end
+end