message: old sendgrid config added
diff: @@ -212,6 +212,10 @@ vim packages/backend/config/env/production.json
  "email": "@@DEFAULT_ADMIN_EMAIL",
  "password": "@@DEFAULT_ADMIN_PASSWORD"
  },
  + "sendgrid": {
  + "senderEmail": "@@SENDGRID_SENDER_EMAIL", // Deprecated, use config:application:mail:from instead
  + "apiKey": "@@SENDGRID_API_KEY" // Deprecated, use config:application:sendgrid:apiKey instead
  + },
  "mail": {
  "driver": "@@MAIL_DRIVER",
  "from": "@@MAIL_FROM",
  