Added information to the README
Added information to the README

jasonjoh/dotnet-outlook-nosdk,VenkatAyyadevara-MSFT/dotnet-outlook-nosdk,VenkatAyyadevara-MSFT/dotnet-outlook-nosdk,VenkatAyyadevara-MSFT/dotnet-outlook-nosdk,jasonjoh/dotnet-outlook-nosdk,jasonjoh/dotnet-outlook-nosdk