Add project files.

StockDal.Interface/IStockMarketRepository.cs

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+using StockDomain;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StockDal.Interface
+{
+    public interface IStockMarketRepository
+    {
+        Dictionary<string, DiTraderStockRow> StockMarketList { get; set; }
+        bool ViewBrowser { get; set; }
+
+        void Clean();
+        void LoadStockMarketList();
+        void LoadStockMarketList(bool viewBrowser);
+        void RefreshMarketList();
+    }
+}

StockDal.Interface/IStockMemberRepository.cs

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+using StockDomain;
+using System;
+using System.Collections.Generic;
+
+namespace StockDal.Interface
+{
+    public interface IStockMemberRepository
+    {
+        IEnumerable<StockMember> GetStocks();
+        //bool Insert(StockMember stockMember);
+        void UpdateActPrice(int Id, decimal price);
+        bool Delete(string stockMemberId);
+        void InsertMany(List<StockMember> stockMembers);
+        IEnumerable<StockMember> GetAllStocks();
+    }
+}

StockDal.Interface/StockDal.Interface.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.0.78" />
+    <PackageReference Include="HtmlAgilityPack" Version="1.11.29" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\StockDomain\StockDomain.csproj" />
+  </ItemGroup>
+
+</Project>