feat: splash screen and dialog navigation event

WotBlitzStatisticsPro.Blazor/Messages/OpenPlayerInfoMessage.cs

@@ -0,0 +1,16 @@
+using MediatR;
+
+namespace WotBlitzStatisticsPro.Blazor.Messages
+{
+    public class OpenPlayerInfoMessage: INotification
+    {
+        public long AccountId { get; }
+        public bool IsLoggedIn { get; }
+
+        public OpenPlayerInfoMessage(long accountId, bool isLoggedIn)
+        {
+            AccountId = accountId;
+            IsLoggedIn = isLoggedIn;
+        }
+    }
+}