refs https://github.com/TryGhost/Team/issues/2489
- adds attribution title and url for new free members and paid subscriptions to email alert
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Co-authored-by: Peter Zimon <peter.zimon@gmail.com>
refs. https://github.com/TryGhost/Team/issues/2489
- Alignment of avatar in free and paid signup email template was off
- Paragraphs was mixed in free signup email template which resulted in an unwanted space
refs/closes TryGhost/Team#2014
- Updated preview text.
- By default email client pulls text from email body for preview. Was added spaces to prevent such behaviour.
refs TryGhost/Team#1826
- adds new service package that manages all the email alert notifications for free members and paid subscriptions
- includes email templates for free member signup and paid subscription start/cancel
- initializes staff service before members to allow managing email alert notifications
- passes staff service to members api for triggering alerts
