Updated README.MD
Updated README.MD

Azure-Samples/active-directory-dotnet-webapp-webapi-oauth2-useridentity,Azure-Samples/active-directory-dotnet-webapp-webapi-oauth2-useridentity,Azure-Samples/active-directory-dotnet-webapp-webapi-oauth2-useridentity,AzureADSamples/WebApp-WebAPI-OAuth2-UserIdentity-DotNet,AzureADSamples/WebApp-WebAPI-OAuth2-UserIdentity-DotNet,AzureADSamples/WebApp-WebAPI-OAuth2-UserIdentity-DotNet