Hide keyboard when you tap around the textfield or textview

// Vladimir Zhelnov - neatek.pw - Web/iOS dev
override func viewDidLoad() {
    super.viewDidLoad()
    self.hideKeyboardWhenTappedAround()
}
extension UIViewController {
    func hideKeyboardWhenTappedAround() {
        let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: #selector(UIViewController.dismissKeyboard))
        view.addGestureRecognizer(tap)
    }

    func dismissKeyboard() {
        view.endEditing(true)
    }
}