wired up key commands

Hyperbar.Windows/Commands/KeyAcceleratorCommandHandler.cs

@@ -0,0 +1,13 @@
+using Hyperbar.Windows.Win32;
+
+namespace Hyperbar.Windows;
+
+public class KeyAcceleratorCommandHandler(IVirtualKeyboard virtualKeyboard) :
+    ICommandHandler<KeyAcceleratorCommand>
+{
+    public ValueTask<Unit> Handle(KeyAcceleratorCommand command,
+        CancellationToken cancellationToken)
+    {        virtualKeyboard.Send((int)command.Key);
+        return default;
+    }
+}