Add SwiftUI + Redux

Examples/SwiftUI + Redux/SwiftUIDemo/views/TabbarView.swift

@@ -0,0 +1,32 @@
+//
+//  MainView.swift
+//  SwiftUIDemo
+//
+//  Created by Thomas Ricouard on 05/06/2019.
+//  Copyright © 2019 Thomas Ricouarf. All rights reserved.
+//
+
+import SwiftUI
+
+struct TabbarView : View {
+    @EnvironmentObject var state: AppState
+    @State var selectedIndex: Int = 0
+    
+    var body: some View {
+        TabbedView(selection: $selectedIndex) {
+            UsersListView()
+                .tabItemLabel(Text("Users"))
+            MapView()
+                .tabItemLabel(Text("Map"))
+        }
+    }
+}
+
+#if DEBUG
+struct MainView_Previews : PreviewProvider {
+    static var previews: some View {
+        TabbarView(selectedIndex: 0).environmentObject(sampleStore)
+    }
+}
+#endif
+