register supports sending user email (optional)

Author: Licho1

Shared/LobbyClient/Protocol/Messages.cs

@@ -150,6 +150,8 @@ public class Register
 
         public string SteamAuthToken { get; set; }
 
+        public string Email { get; set; }
+
         public long UserID { get; set; }
     }
 

ZkLobbyServer/LoginChecker.cs

@@ -179,6 +179,7 @@ public async Task<RegisterResponse> DoRegister(Register register, string ip)
                 acc.SetPasswordHashed(register.PasswordHash);
                 acc.SetName(register.Name);
                 acc.SetAvatar();
+                acc.Email = register.Email;
                 if (info != null)
                 {
                     var existingBySteam = db.Accounts.FirstOrDefault(x => x.SteamID == info.steamid);