Adeed base database build

User.cs

@@ -1,10 +1,15 @@
-namespace IsleBot;
+using System.Runtime.Serialization;
 
-public class User
-{
+namespace IsleBot;
+
+public class User {
+    [DataMember(IsRequired = true)]
     public int Id { get; private set; }
     public string UserName { get; set; }
+    
     public List<Card> Cards { get; set; }
+    
+    //public List<Match> Matches { get; set; }
 
     public User(int id, string userName) {
         Id = id;