Create a rate limit interceptor for emails

[microstudi]

• Accepts a ENV var with the maximum amount of emails to be sent as
  • ACTION_MAILER_MAX_EMAILS_PER_DAY
  • ACTION_MAILER_MAX_EMAILS_PER_MONTH
• Log emails skipped as a warning
• Generate and event where to subscribe to if an email has been skipped
• Store quota in redis
• Provide a custom model (for redis) for reading the current used quota