Add a basic feedback repository with a private mailer.
Add a FeedbackWriter interactor.
Add dough.
Refactor feedback entities to cover different types of feedback.
Add ‘success’ flash type.
Implement feedback page for articles.
Implement general (technical) feedback page.
Implement the money advice page.
Add links to give feedback to the article show page.
Put the feedback panel on articles behind a feature toggle.
Add mail gem to Gemfile.
Move Core::ConnectionFactory to Core::ConnectionFactory::Http.
Move Core::Connection to Core::Connection::Http.
Introduce mailer as a connection type in the registry.
Integrate the smtp connection with the feedback email repository.
Add cucumber coverage for feedback pages.