This application is part of the May challenge (2022) for Flutter
You can find the details at https://flutterchallenge.dev/responsiveness
✅ When the screen is wider than 600 pixels, switch to another layout where the list of emails are on the left and when you tap on an email. The content is displayed on the right
✅ If there is enough space, you should allow to pin a message to the right and keep it visible while opening other emails
✅ Animate the switching among layouts ( + the lists and the switch between emails and pinned emails )
iphone.mp4
ipad.mp4
