Add project files.

DataDomain/DataDomain.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+</Project>

DataDomain/DiTraderStockRow.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataDomain
+{
+    public class DiTraderStockRow
+    {
+        public string StockName { get; set; }
+        public decimal ProcChange { get; set; }
+        public decimal RealChange { get; set; }
+        public decimal BuyPrice { get; set; }
+        public decimal SellPrice { get; set; }
+        public decimal LatestPrice { get; set; }
+        public decimal HighestPrice { get; set; }
+        public decimal LowestPrice { get; set; }
+        public long Volume { get; set; }
+        public TimeSpan TimeOfDay { get; set; }
+    }
+}

DataDomain/Person.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataDomain
+{
+    public class Person
+    {
+        public int Id { get; set; }
+        public string? FirstName { get; set; }
+        public string? LastName { get; set; }
+        public string? NickName { get; set; }
+        public DateTime? Born { get; set; }
+    }
+}

DataDomain/StockMember.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataDomain
+{
+    public class StockMember
+    {
+        public int Id { get; set; }
+        public string StockId { get; set; }
+        public string StockExtId { get; set; }
+        public decimal BuyValue { get; set; }
+        public DateTime BuyDate { get; set; }
+        public decimal ActValue { get; set; }
+        public DateTime? ActDate { get; set; }
+        public long ActAmount { get; set; }
+        public decimal? SoldValue { get; set; }
+        public DateTime? SoldDate { get; set; }
+        //        public string PostId { get; set; }
+        public string Comment { get; set; }
+        public long PostAmount { get; set; }
+
+    }
+}