add translations for reset password instructions email

spec/mailers/previews/devise_mailer_preview.rb

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class DeviseMailerPreview < ActionMailer::Preview
+  def reset_password_instructions
+    user = User.first
+    user.send_reset_password_instructions
+    Devise::Mailer.reset_password_instructions(user, user.reset_password_token)
+  end
+end