Update default mailer path

Author: rossta

app/mailers/application_mailer.rb

@@ -1,4 +1,16 @@
+# frozen_string_literal: true
+
 class ApplicationMailer < ActionMailer::Base
-  default from: email_address_with_name("[email protected]", "Joy of Rails")
+  prepend_view_path "app/views/emails"
+
+  SUPPORT_EMAIL = "[email protected]"
+
+  default from: email_address_with_name(SUPPORT_EMAIL, "Joy of Rails")
   layout "emails/mailer"
+
+  def support_email
+    email_address_with_name(SUPPORT_EMAIL, "Joy of Rails")
+  end
+
+  helper_method :support_email
 end