add DocSignedNotification

EnvelopeGenerator.Application/Dto/DocumentStatusDto.cs

@@ -1,4 +1,5 @@
-using Microsoft.AspNetCore.Mvc;
+using EnvelopeGenerator.Domain.Constants;
+using Microsoft.AspNetCore.Mvc;
 
 namespace EnvelopeGenerator.Application.Dto;
 
@@ -26,7 +27,7 @@ public class DocumentStatusDto
     /// <summary>
     /// Gets or sets the current status code.
     /// </summary>
-    public int Status { get; set; }
+    public EnvelopeStatus Status { get; set; }
 
     /// <summary>
     /// Gets or sets the timestamp when the status was changed.