Add class UserProfile
Add table view to storyboard.
Add button "Add user"
Implement data source and delegate for table view
Add UI for Add User ViewController
Add Unwind segue
Declarate AddUserViewControllerDelegate
Use forward declaration (@class) to fix error
Add protocol AddUserViewControllerDelegate. Implement delegate pattern between AddUserViewController and ViewController
Connect tableView from storyboard to controller property(don't know why it was broken).
Fix cell identifier cell->Cell. "Cell" identifier is set on storyboard
Add possibility to set required field for user object
Implement possibility to set required field for user object. Lets make name and email is required
Set correct keyboards to text fields