Hide unknown fields

pass/Controllers/GeneralSettingsTableViewController.swift

@@ -7,15 +7,39 @@
 //
 
 import UIKit
+import SwiftyUserDefaults
 
 class GeneralSettingsTableViewController: BasicStaticTableViewController {
+    
+    let hideUnknownSwitch = UISwitch(frame: CGRect.zero)
 
     override func viewDidLoad() {
         navigationItemTitle = "General"
         tableData = [
             // section 0
             [[.title: "About Repository", .action: "segue", .link: "showAboutRepositorySegue"],],
+            [[.title: "Hide Unkonwn Fields", .action: "none",],],
+
         ]
         super.viewDidLoad()
+
     }
+    
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell =  super.tableView(tableView, cellForRowAt: indexPath)
+        if indexPath == IndexPath(row: 0, section: 1) {
+            cell.accessoryType = .none
+            hideUnknownSwitch.onTintColor = UIColor(displayP3Red: 0, green: 122.0/255, blue: 1, alpha: 1)
+            cell.accessoryView = hideUnknownSwitch
+            cell.selectionStyle = .none
+            hideUnknownSwitch.addTarget(self, action: #selector(hideUnknownSwitchAction(_:)), for: UIControlEvents.valueChanged)
+            hideUnknownSwitch.isOn = Defaults[.isHideUnknownOn]
+        }
+        return cell
+    }
+    
+    func hideUnknownSwitchAction(_ sender: Any?) {
+        Defaults[.isHideUnknownOn] = hideUnknownSwitch.isOn
+    }
+    
 }