added play list into right column with GridSplitter

HarmonyWinUI/MainWindow.xaml.cs

@@ -2,7 +2,8 @@ using HarmonyWinUI.Pages;
 using Microsoft.UI.Xaml;
 using Microsoft.UI.Xaml.Controls;
 using System;
-using Windows.System; // added
+using System.Collections.ObjectModel;
+using Windows.System;
 
 // To learn more about WinUI, the WinUI project structure,
 // and more about our project templates, see: http://aka.ms/winui-project-info.
@@ -14,12 +15,17 @@ namespace HarmonyWinUI
 	/// </summary>
 	public sealed partial class MainWindow : Window
 	{
+		public ObservableCollection<PlayListItem> Items { get; } = new();
+
 		public MainWindow()
 		{
 			InitializeComponent();
 
 			// default
 			MainNavigationContentFrame.Navigate(typeof(Dashboard));
+			this.Items.Add(new PlayListItem("Dodo", "Stromae"));
+			this.Items.Add(new PlayListItem("La Danza", "John Summit"));
+			this.Items.Add(new PlayListItem("Trapny vietor", "Horkyze Slize"));
 		}
 
 		private async void MainNavigation_SelectionChanged(NavigationView sender, NavigationViewSelectionChangedEventArgs args)
@@ -65,4 +71,18 @@ namespace HarmonyWinUI
 		}
 	}
 
+	public class PlayListItem
+	{
+		public string? TrackName { get; set; }
+		public string? ArtistName { get; set; }
+
+		public PlayListItem() { }
+
+		public PlayListItem(string? trackName, string? artistName)
+		{
+			TrackName = trackName;
+			ArtistName = artistName;
+		}
+	}
+
 }