Updated README.MD
Updated README.MD

Azure-Samples/active-directory-dotnet-webapp-openidconnect,AzureADSamples/WebApp-OpenIDConnect-DotNet,Azure-Samples/active-directory-dotnet-webapp-openidconnect,jmnieuwhoff/openid,jmnieuwhoff/openid,Azure-Samples/active-directory-dotnet-webapp-openidconnect,AzureADSamples/WebApp-OpenIDConnect-DotNet,jmnieuwhoff/openid,AzureADSamples/WebApp-OpenIDConnect-DotNet