Demonstrates updates needed for Prism 7 RegisterTypes

App.xaml.cs

        /// <summary>
        /// Registers the types. Notice that we can set the name explicity by providing the 
        /// name parameter, or just use the nameof property for the page
        /// </summary>
        protected override void RegisterTypes(IContainerRegistry containerRegistry)
        {
            // Register Navigation page
            containerRegistry.RegisterForNavigation<Views.AppShellNavigationPage>("Navigation");

            // Register Views
            containerRegistry.RegisterForNavigation<Views.AppShell>("Root");
            containerRegistry.RegisterForNavigation<Views.HomePage>();
            containerRegistry.RegisterForNavigation<Views.SamplePage>();
            containerRegistry.RegisterForNavigation<Views.SettingsPage>();
        }