Compute heights of TableViewCells automatically

This is necessary because different languages need different amounts of space. Especially text fields with some more text need to be variable in their heights.

pass/UserInterface/AutoCellHeightUITableViewController.swift

@@ -0,0 +1,17 @@
+//
+//  AutoCellHeightUITableViewController.swift
+//  pass
+//
+//  Created by Danny Moesch on 17.02.19.
+//  Copyright © 2019 Bob Sun. All rights reserved.
+//
+
+import UIKit
+
+class AutoCellHeightUITableViewController: UITableViewController {
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        tableView.estimatedRowHeight = 170
+        tableView.rowHeight = UITableViewAutomaticDimension
+    }
+}