Revised settings views

Notes:
- A lot of representable shims over UIKit view controllers. These misbehave a little. They should be re-written in SwiftUI.
- Settings no longer uses VibrantTableViewCell
- Changes to AppDefaults trigger objectWillSend

iOS/Settings/AddAccountViewController.swift

@@ -8,8 +8,37 @@
 
 import Account
 import UIKit
+import SwiftUI
 import RSCore
 
+struct AddAccountViewControllerRepresentable: UIViewControllerRepresentable {
+	func makeUIViewController(context: Context) -> AddAccountViewController {
+		let storyboard = UIStoryboard(name: "Settings", bundle: .main)
+		let controller = storyboard.instantiateViewController(withIdentifier: "AddAccountViewController") as! AddAccountViewController
+		
+		context.coordinator.parentObserver = controller.observe(\.parent, changeHandler: { vc, _ in
+			vc.parent?.title = vc.title
+			vc.parent?.navigationItem.rightBarButtonItems = vc.navigationItem.rightBarButtonItems
+		})
+		
+		return controller
+	}
+	
+	func updateUIViewController(_ uiViewController: AddAccountViewController, context: Context) {
+		//
+	}
+	
+	typealias UIViewControllerType = AddAccountViewController
+	
+	class Coordinator {
+		var parentObserver: NSKeyValueObservation?
+	}
+	
+	func makeCoordinator() -> Self.Coordinator { Coordinator() }
+	
+}
+
+
 protocol AddAccountDismissDelegate: UIViewController {
 	func dismiss()
 }