ShimmerLabel
let label = ShimmerLabel()
label.text = " Text From Code"
label.font = UIFont.boldSystemFont(ofSize: 18)
label.translatesAutoresizingMaskIntoConstraints = false
label.shimmerColor = .red
self.view.addSubview(label)
label.centerXAnchor.constraint(equalTo: self.view.centerXAnchor).isActive = true
label.leadingAnchor.constraint(equalTo: self.view.leadingAnchor).isActive = true
label.trailingAnchor.constraint(equalTo: self.view.trailingAnchor).isActive = true
label.bottomAnchor.constraint(equalTo: self.view.bottomAnchor, constant: -40).isActive = true