[Previews] Adds example “Custom Tint Color” feature to preview ExperimentalFeaturesView

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DeltaPreviews/Experimental Features/CustomTintColor.swift

@@ -0,0 +1,79 @@
+//
+//  CustomTintColor.swift
+//  Delta
+//
+//  Created by Riley Testut on 4/6/23.
+//  Copyright © 2023 Riley Testut. All rights reserved.
+//
+
+import SwiftUI
+import DeltaFeatures
+
+enum TintColor: String, CaseIterable, Identifiable
+{
+    case red
+    case orange
+    case yellow
+    case green
+    case blue
+    case purple
+    
+    var id: Self { self }
+    
+    var color: Color {
+        switch self
+        {
+        case .red: return .red
+        case .orange: return .orange
+        case .yellow: return .yellow
+        case .green: return .green
+        case .blue: return .blue
+        case .purple: return .purple
+        }
+    }
+}
+
+extension TintColor: LocalizedOptionValue
+{
+    var localizedDescription: Text {
+        switch self
+        {
+        case .red: return Text("Red")
+        case .orange: return Text("Orange")
+        case .yellow: return Text("Yellow")
+        case .green: return Text("Green")
+        case .blue: return Text("Blue")
+        case .purple: return Text("Purple")
+        }
+    }
+}
+
+struct CustomTintColorOptions
+{
+    @Option(name: "Tint Color", detailView: { CustomTintColorView(tintColor: $0) })
+    var value: TintColor = .purple
+    
+    @Option(name: "Respect Dark Mode")
+    var respectDarkMode: Bool = true
+}
+
+private struct CustomTintColorView: View
+{
+    @Binding
+    var tintColor: TintColor
+
+    var body: some View {
+        Picker("Tint Color", selection: $tintColor.animation()) {
+            ForEach(TintColor.allCases) { tintColor in
+                HStack(spacing: 8) {
+                    Circle()
+                        .fill(tintColor.color)
+                        .frame(width: 44, height: 44)
+                    
+                    tintColor.localizedDescription
+                }
+            }
+        }
+        .pickerStyle(.inline)
+    }
+}

DeltaPreviews/Experimental Features/ExperimentalFeatures.swift

@@ -0,0 +1,34 @@
+//
+//  ExperimentalFeatures.swift
+//  DeltaPreviews
+//
+//  Created by Riley Testut on 4/17/23.
+//  Copyright © 2023 Riley Testut. All rights reserved.
+//
+
+import DeltaFeatures
+
+import SwiftUI
+
+struct ExperimentalFeatures: FeatureContainer
+{
+    static let shared = ExperimentalFeatures()
+    
+    @Feature(name: "Custom Tint Color",
+             description: "Change the accent color used throughout the app.",
+             options: CustomTintColorOptions())
+    var customTintColor
+    
+    private init()
+    {
+        self.prepareFeatures()
+    }
+}
+
+struct ExperimentalFeatures_Previews: PreviewProvider {
+    static var previews: some View {
+        NavigationView {
+            ExperimentalFeaturesView()
+        }
+    }
+}