Better way of adding subviews at once.

UIView+Extension.swift

/*
 From: https://twitter.com/johnsundell/status/948513364015288320?utm_content=buffer67c28&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer
 */

extension UIView {
    func add(_ subviews: UIView...) {
        subviews.forEach(addSubview)
    }
}

/*
//So that you can do 

view.add(label, button)

// instead of 

view.add(label)
view.add(button)

// Which works well sementically

*/