[Feature Request] support the ComponentsWebAssembly-CSharp project template

[jmprieur]

https://github.com/dotnet/aspnetcore/tree/master/src/ProjectTemplates/Web.ProjectTemplates/content/ComponentsWebAssembly-CSharp

[jennyf19]

branch started.

[pmaytak]

Included in Microsoft Identity Web 0.2.1-preview release.