Update UI to support more customizable password generator

pass/Views/SwitchTableViewCell.swift

@@ -0,0 +1,45 @@
+//
+//  SwitchTableViewCell.swift
+//  pass
+//
+//  Created by Danny Moesch on 28.02.20.
+//  Copyright © 2020 Bob Sun. All rights reserved.
+//
+
+import passKit
+import UIKit
+
+class SwitchTableViewCell: UITableViewCell {
+
+    @IBOutlet var titleLabel: UILabel!
+    @IBOutlet var controlSwitch: UISwitch!
+
+    private var updater: ((Bool) -> Void)!
+
+    private var delegate: PasswordSettingSliderTableViewCellDelegate!
+
+    @IBAction func switchValueChanged(_: Any) {
+        updater(controlSwitch.isOn)
+        delegate.generateAndCopyPassword()
+    }
+
+    func set(title: String) -> SwitchTableViewCell {
+        titleLabel.text = title
+        return self
+    }
+
+    func set(initialValue: Bool) -> SwitchTableViewCell {
+        controlSwitch.isOn = initialValue
+        return self
+    }
+
+    func updateNewValue(using updater: @escaping (Bool) -> Void) -> SwitchTableViewCell {
+        self.updater = updater
+        return self
+    }
+
+    func delegate(to delegate: PasswordSettingSliderTableViewCellDelegate) -> SwitchTableViewCell {
+        self.delegate = delegate
+        return self
+    }
+}