Added DateEntry element

Bitvault/DateEntryViewModel.cs

@@ -0,0 +1,15 @@
+using Toolkit.Foundation;
+
+namespace Bitvault;
+
+public partial class DateEntryViewModel(IServiceProvider provider,
+    IServiceFactory factory,
+    IMediator mediator,
+    IPublisher publisher,
+    ISubscription subscriber,
+    IDisposer disposer,
+    ItemState state,
+    ItemEntryConfiguration configuration,
+    string key,
+    object value,
+    double width) : ItemEntryViewModel(provider, factory, mediator, publisher, subscriber, disposer, state, configuration, key, value, width);