infrastructure restructure

dotnet/AipsCore/Infrastructure/Persistence/User/User.cs

@@ -0,0 +1,12 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace AipsCore.Infrastructure.Persistence.User;
+
+
+public class User
+{
+    [Key]
+    public Guid Id { get; set; }
+    [Required] [MaxLength(255)] public string Username { get; set; } = null!;
+    [Required] [MaxLength(255)] public string Email { get; set; } = null!;
+}