Integrate dotnet SDK with powershell module

[deepak2016]

Powershell module generated by autorest has preconfigured httpclient. Plan is to investigate and understand the integration point and integrate dotnet SDK's core module and leverage httpclient with middleware capabilities in powershell modules.

[deepak2016]

@darrelmiller you are working with Garrett to get us few samples to make it easy to integrate dotnet sdk with powershell modules.