重构项目，将项目拆分（临时提交）

DMS.WPF/Services/INotificationService.cs

@@ -0,0 +1,10 @@
+using DMS.Core.Enums;
+using DMS.Models;
+
+namespace DMS.Services;
+
+public interface INotificationService
+{
+    void Show(Notification notification);
+    void Show(string message, NotificationType type = NotificationType.Info, bool IsGlobal = true);
+}