fixes

dotnet/AipsRT/Model/Users/User.cs

@@ -0,0 +1,17 @@
+namespace AipsRT.Model.Users;
+
+public class User
+{
+    public Guid UserId { get; private set; }
+
+    public string Username { get; private set; } 
+
+    public string Email { get; private set; }
+    
+    public User(Guid userId, string username, string email)
+    {
+        UserId = userId;
+        Username = username;
+        Email = email;
+    }
+}