Email based on Export Request

[JoeBatt1989]

Describe the solution you'd like
When a result is exported we would like the ability to notify clinicians and users that there is something for them to review in PACS.

What we are suggesting is that an md.export.request may include 2 new args

• emails - comma delimited string
• metadata - comma delimited string

Upon receiving an export request with these args, an email would be sent to the email addresses specified and the metadata that was specified

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.