Readme updates (#731)
Readme updates (#731)

Highlight new [try.dot.net](https://try.dot.net/) Polly samples by [Bryan Hogan](https://nodogmablog.bryanhogan.net)

+ Samples: https://github.com/bryanjhogan/trydotnet-polly 
+ Blogged by Scott Hanselman: https://www.hanselman.com/blog/CreateExceptionalInteractiveDocumentationWithTryNETThePollyNuGetLibraryDid.aspx

michael-wolfenden/Polly