create CreateUserCommand with handler and mapping profile

EnvelopeGenerator.Application/Users/MappingProfile.cs

@@ -0,0 +1,19 @@
+using AutoMapper;
+using DigitalData.UserManager.Domain.Entities;
+using EnvelopeGenerator.Application.Users.Commands;
+
+namespace EnvelopeGenerator.Application.Users;
+
+/// <summary>
+/// 
+/// </summary>
+public class MappingProfile : Profile
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public MappingProfile()
+    {
+        CreateMap<CreateUserCommand, User>();
+    }
+}