Additional Information to help setup with AWS SES

# Improve documentation ## Link https://supabase.com/docs/guides/auth/auth-smtp ## Describe the problem AWS SES has some additional requirements that can be confusing to those used to services like Resend or Sendgrid, such as: - being placed in a testing sandbox initially and needing to request to leave - requiring a verified domain ## Describe the improvement We can add this information as a callout when using SES, with links to AWS documentation, to catch these issues early if people run into them ## Additional context Add any other context or screenshots that help clarify your question.