Add letter_opener_web gem
Sent emails in the development environment will no longer automatically
be opened in the browser. If a sent email needs to be viewed, it can be
found at the /rails/letter_opener route.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Sent emails in the development environment will no longer automatically
be opened in the browser. If a sent email needs to be viewed, it can be
found at the /rails/letter_opener route.