Add solution, project, and program for local running.

.vscode/tasks.json

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+{
+    "version": "2.0.0",
+    "tasks": [
+      {
+        "label": "Watch: dotnet watch build",
+        "type": "shell",
+        "command": "dotnet watch build",
+        "group": {
+          "kind": "build",
+          "isDefault": true
+        },
+        "problemMatcher": "$msCompile",
+        "runOptions": {
+          "runOn": "folderOpen"
+        },
+        "isBackground": true
+      }
+    ]
+  }

Build.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Metalsharp" Version="0.9.0-rc.5" />
+    <PackageReference Include="Metalsharp.LiquidTemplates" Version="0.9.0-rc-3" />
+    <PackageReference Include="Metalsharp.SimpleBlog" Version="0.9.0-rc.2" />
+    <PackageReference Include="System.ServiceModel.Syndication" Version="8.0.0" />
+  </ItemGroup>
+
+  <Target Name="GenerateCsxFile" AfterTargets="Build">
+    <ItemGroup>
+      <SourceFiles Include="Program.cs" />
+    </ItemGroup>
+
+    <Copy SourceFiles="@(SourceFiles)" DestinationFolder="$(OutputPath)" />
+
+    <WriteLinesToFile File="build.csx" Overwrite="true"
+      Lines="
+#! &quot;net8.0&quot;
+#r &quot;nuget: Metalsharp, 0.9.0-rc.5&quot;
+#r &quot;nuget: Metalsharp.LiquidTemplates, 0.9.0-rc-3&quot;
+#r &quot;nuget: Metalsharp.SimpleBlog, 0.9.0-rc.2&quot;
+#r &quot;nuget: System.ServiceModel.Syndication, 8.0.0&quot;
+" 
+    />
+
+    <Exec Command="type @(SourceFiles) >> build.csx" />
+  </Target>
+</Project>

Build.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Build", "Build.csproj", "{A6163207-B097-456C-8721-DEAB980213B9}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{A6163207-B097-456C-8721-DEAB980213B9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A6163207-B097-456C-8721-DEAB980213B9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A6163207-B097-456C-8721-DEAB980213B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A6163207-B097-456C-8721-DEAB980213B9}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

GlobalSuppressions.cs

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+using System.Diagnostics.CodeAnalysis;
+
+[assembly: SuppressMessage("Performance", "SYSLIB1045:Convert to 'GeneratedRegexAttribute'.", Justification = "Annoying")]