Add the app

ScrollSwitcher/AppDelegate.swift

@@ -30,6 +30,14 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         // update the icon when system prefs changes
         DistributedNotificationCenter.default().addObserver(self, selector: #selector(updateIcon), name: .swipeScrollDirectionDidChangeNotification, object: nil)
     }
+
+    func applicationWillTerminate(_ aNotification: Notification) {
+        // Insert code here to tear down your application
+    }
+
+    func applicationSupportsSecureRestorableState(_ app: NSApplication) -> Bool {
+        return true
+    }
     
     @objc private func updateIcon() {
         item.button!.image = Direction.current.image