Added changerequest entity

PostFundManagement.Domain/Entities/ChangeRequest.cs

@@ -0,0 +1,11 @@
+namespace PostFundManagement.Domain.Entities;
+
+[EntityTypeConfiguration<Configuration.ChangeRequest, ChangeRequest>]
+public class ChangeRequest : Models.ChangeRequest
+{
+    public virtual Project? Project { get; set; }
+
+    public virtual User? Creator { get; set; }
+
+    public virtual User? Approver { get; set; }
+}