Add project files.

ATB-ChainPattern/ATB-ChainPattern.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>ATB_ChainPattern</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

ATB-ChainPattern/Program.cs

+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");

AutoTradingBot.sln

+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34525.116
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ATB-ChainPattern", "ATB-ChainPattern\ATB-ChainPattern.csproj", "{472EF23A-A492-4C63-B9EF-77EE756FA6AD}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{472EF23A-A492-4C63-B9EF-77EE756FA6AD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{472EF23A-A492-4C63-B9EF-77EE756FA6AD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{472EF23A-A492-4C63-B9EF-77EE756FA6AD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{472EF23A-A492-4C63-B9EF-77EE756FA6AD}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {9C1B865D-84AE-4001-86CC-2E747A9AF369}
+	EndGlobalSection
+EndGlobal