Migrate to .NET 6 #94
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Related to #83
Migrate the project to .NET 6 and update the project structure to reflect the new SPA template structure.
AspNetCoreVueStarter.csprojTargetFrameworktonet6.0.PackageReferenceforMicrosoft.AspNetCore.SpaServices.Extensionsto version6.0.0.PackageReferenceforVueCliMiddlewareto version6.0.0.README.mdProgram.csCreateHostBuildermethod to useWebApplication.CreateBuilderandWebApplicationfor .NET 6.Mainmethod to usebuilder.Build().Run()for .NET 6.AddControllersWithViewsandAddSpaStaticFiles.For more details, open the Copilot Workspace session.