write thumbnail to wallet store

Wallet/WalletHostFactory.cs

@@ -0,0 +1,18 @@
+using Toolkit.Foundation;
+
+namespace Wallet;
+
+public class WalletHostFactory(IComponentFactory componentFactory) :
+    IWalletHostFactory
+{
+    public IComponentHost? Create(string key)
+    {
+        if (componentFactory.Create<WalletComponent, WalletConfiguration>($"Wallet:{key}",
+            new WalletConfiguration()) is IComponentHost host)
+        {
+            return host;
+        }
+
+        return default;
+    }
+}