feat: Add Card control and card demo with album images.

src/Avalonia/HandyControlDemo_Avalonia/ViewModel/Controls/CardDemoViewModel.cs

@@ -0,0 +1,28 @@
+using CommunityToolkit.Mvvm.Input;
+using HandyControlDemo.Data;
+using HandyControlDemo.Service;
+
+namespace HandyControlDemo.ViewModel;
+
+public partial class CardDemoViewModel : DemoViewModelBase<CardModel>
+{
+    private readonly DataService _dataService;
+
+    public CardDemoViewModel(DataService dataService)
+    {
+        _dataService = dataService;
+        DataList = dataService.GetCardDataList();
+    }
+
+    [RelayCommand]
+    private void AddItem() => DataList.Insert(0, _dataService.GetCardData());
+
+    [RelayCommand]
+    private void RemoveItem()
+    {
+        if (DataList.Count > 0)
+        {
+            DataList.RemoveAt(0);
+        }
+    }
+}

src/Avalonia/HandyControlDemo_Avalonia/ViewModel/Controls/HoneycombPanelDemoViewModel.cs

@@ -1,42 +0,0 @@
-using System;
-using System.Collections.ObjectModel;
-using Avalonia.Media.Imaging;
-using Avalonia.Platform;
-using CommunityToolkit.Mvvm.ComponentModel;
-using CommunityToolkit.Mvvm.Input;
-
-namespace HandyControlDemo.ViewModel;
-
-public partial class HoneycombPanelDemoViewModel : ObservableObject
-{
-    private static readonly Random Random = new();
-
-    [ObservableProperty] private ObservableCollection<Bitmap> _dataList = [];
-
-    public HoneycombPanelDemoViewModel()
-    {
-        for (int i = 0; i < 7; i++)
-        {
-            DataList.Add(LoadRandomAvatar());
-        }
-    }
-
-    [RelayCommand]
-    private void AddItem() => DataList.Insert(0, LoadRandomAvatar());
-
-    [RelayCommand]
-    private void RemoveItem()
-    {
-        if (DataList.Count > 0)
-        {
-            DataList.RemoveAt(0);
-        }
-    }
-
-    private static Bitmap LoadRandomAvatar()
-    {
-        var uri = new Uri($"avares://HandyControlDemo/Resources/Img/Avatar/avatar{Random.Next(1, 7)}.png");
-        using var stream = AssetLoader.Open(uri);
-        return new Bitmap(stream);
-    }
-}