Send email notifications for Generic Alerts

Problem to solve

Much like the Prometheus Error alerting, we need to send email notifications for Generic alerts we receive though the alert endpoint.

Intended users

Further details

Proposal

Copy text for the email should be:

TODO Add copy text

Permissions and Security

Documentation

Availability & Testing

What does success look like, and how can we measure that?

What is the type of buyer?

Links / references