Support for killing synchronizers.

Wino.Messages/Server/KillAccountSynchronizerRequested.cs

@@ -0,0 +1,11 @@
+using System;
+using Wino.Core.Domain.Interfaces;
+
+namespace Wino.Messaging.Server
+{
+    /// <summary>
+    /// Client message that requests to kill the account synchronizer.
+    /// </summary>
+    /// <param name="AccountId">Account id to kill synchronizer for.</param>
+    public record KillAccountSynchronizerRequested(Guid AccountId) : IClientMessage;
+}