We will fulfill three user stories:
- As a blog visitor, I want to subscribe to the newsletter, So that I can receive email updates when new content is published on the blog;
- As the blog author, I want to send an email to all my subscribers, So that I can notify them when new content is published;
- As a subscriber, I want to be able to unsubscribe from the newsletter, So that I can stop receiving email updates from the blog.