Added support for MOTD and whispers. Commands can opt into responding to whispers and there's a helper method to handle replying through the correct channel.

KfChatDotNetWsClient/Models/Events/WhisperModel.cs

@@ -0,0 +1,12 @@
+namespace KfChatDotNetWsClient.Models.Events;
+
+public class WhisperModel
+{
+    public required UserModel Author { get; set; }
+    public required UserModel Recipient { get; set; }
+    public required string Message { get; set; }
+    public required string MessageRaw { get; set; }
+    public required DateTimeOffset MessageDate { get; set; }
+    public required string MessageRawHtmlDecoded { get; set; }
+
+}