feat: add selection list.

demo/Ursa.Demo/ViewModels/MainViewViewModel.cs

@@ -44,6 +44,7 @@ public class MainViewViewModel : ViewModelBase
             MenuKeys.MenuKeyNumericUpDown => new NumericUpDownDemoViewModel(),
             MenuKeys.MenuKeyPagination => new PaginationDemoViewModel(),
             MenuKeys.MenuKeyRangeSlider => new RangeSliderDemoViewModel(),
+            MenuKeys.MenuKeySelectionList => new SelectionListDemoViewModel(),
             MenuKeys.MenuKeyTagInput => new TagInputDemoViewModel(),
             MenuKeys.MenuKeyTimeline => new TimelineDemoViewModel(),
             MenuKeys.MenuKeyTwoTonePathIcon => new TwoTonePathIconDemoViewModel(),

demo/Ursa.Demo/ViewModels/MenuViewModel.cs

@@ -31,6 +31,7 @@ public class MenuViewModel: ViewModelBase
             new() { MenuHeader = "NumericUpDown", Key = MenuKeys.MenuKeyNumericUpDown, Status = "New" },
             new() { MenuHeader = "Pagination", Key = MenuKeys.MenuKeyPagination },
             new() { MenuHeader = "RangeSlider", Key = MenuKeys.MenuKeyRangeSlider, Status = "New"},
+            new() { MenuHeader = "Selection LIst", Key = MenuKeys.MenuKeySelectionList, Status = "New" },
             new() { MenuHeader = "TagInput", Key = MenuKeys.MenuKeyTagInput },
             new() { MenuHeader = "Theme Toggler", Key = MenuKeys.MenuKeyThemeToggler },
             new() { MenuHeader = "Timeline", Key = MenuKeys.MenuKeyTimeline, Status = "Updated" },

demo/Ursa.Demo/ViewModels/SelectionListDemoViewModel.cs

@@ -0,0 +1,17 @@
+using System.Collections.ObjectModel;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace Ursa.Demo.ViewModels;
+
+public class SelectionListDemoViewModel: ObservableObject
+{
+    public ObservableCollection<string> Items { get; set; }
+
+    public SelectionListDemoViewModel()
+    {
+        Items = new ObservableCollection<string>()
+        {
+            "Ding", "Otter", "Husky", "Mr. 17", "Cass"
+        };
+    }
+}