[#10951] Create a cron job to warn user that old brouillon is deleted

app/views/dossier_mailer/notify_old_brouillon_after_deletion.html.haml

@@ -0,0 +1,9 @@
+- content_for(:title, "#{@subject}")
+
+%p= t(:hello, scope: [:views, :shared, :greetings])
+
+%p= t('.body', dossier_id: @dossier.id, libelle_demarche: @dossier.procedure.libelle)
+
+%p= t('.new_dossier_html', link: commencer_url(@dossier.procedure))
+
+= render partial: "layouts/mailers/signature"