feat: add Cake build to produce powershell module (#2)

- Add Cake build project
- Change to CPM
- Package bumps for security bumps
- Reorganise solution structure to group harness projects

build/Program.cs

@@ -0,0 +1,55 @@
+using Cake.Common;
+using Cake.Common.IO;
+using Cake.Common.IO.Paths;
+using Cake.Core;
+using Cake.Frosting;
+using Cake.Powershell;
+
+public static class Program
+{
+	public static int Main(string[] args)
+	{
+		return new CakeHost()
+			.UseContext<BuildContext>()
+			.Run(args);
+	}
+}
+
+public class BuildContext : FrostingContext
+{
+	/// <summary>
+	/// Base source directory
+	/// </summary>
+	public ConvertableDirectoryPath BaseSourceLocation { get; set; }
+
+	/// <summary>
+	/// Powershell module project folder
+	/// </summary>
+	public ConvertableDirectoryPath PowershellModuleProjectDirectory { get; set; }
+
+	/// <summary>
+	/// Powershell module csproj location
+	/// </summary>
+	public ConvertableFilePath PowershellModuleCsproj { get; set; }
+
+	/// <summary>
+	/// Output directory for built DLLs and powershell module manifest files
+	/// </summary>
+	public ConvertableDirectoryPath PowershellModuleOutputDir { get; set; }
+
+	/// <summary>
+	/// Path to powershell script that creates the module manifest files
+	/// </summary>
+	public ConvertableFilePath CreateModuleManifestScript { get; set; }
+
+	public BuildContext(ICakeContext context)
+		: base(context)
+	{
+		BaseSourceLocation = context.Directory("../src");
+		PowershellModuleProjectDirectory = BaseSourceLocation + context.Directory("PowershellModule");
+		PowershellModuleCsproj = PowershellModuleProjectDirectory + context.File("PowershellModule.csproj");
+		PowershellModuleOutputDir = context.Directory("../") + context.Directory("output") + context.Directory("PowershellModule");
+		var buildScriptDirectory = context.Directory("./Scripts");
+		CreateModuleManifestScript = buildScriptDirectory + context.File("CreateModuleManifest.ps1");
+	}
+}