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/UIKit Extensions/SafariView.swift

@@ -0,0 +1,24 @@
+//
+//  SafariView.swift
+//  NetNewsWire-iOS
+//
+//  Created by Stuart Breckenridge on 12/11/2022.
+//  Copyright © 2022 Ranchero Software. All rights reserved.
+//
+
+import SwiftUI
+import SafariServices
+
+struct SafariView: UIViewControllerRepresentable {
+
+	let url: URL
+
+	func makeUIViewController(context: UIViewControllerRepresentableContext<SafariView>) -> SFSafariViewController {
+		return SFSafariViewController(url: url)
+	}
+
+	func updateUIViewController(_ uiViewController: SFSafariViewController, context: UIViewControllerRepresentableContext<SafariView>) {
+
+	}
+
+}