Feature Request

Is your feature request related to a problem or unsupported use case? Please describe.
As discussed with @rvveber hard coded templates have to be overridden when deploying Docs.

Describe the solution you'd like
Instead we could use an external email provider like Brevo (each instance can chose it's provider).
Docs would generate the events.
We could provide the generic text for each event but each instance would be responsible for the styling of its email.

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

Discovery, Documentation, Adoption, Migration Strategy

Do you want to work on it through a Pull Request?