Adding a link to the Azure AD v2.0 sample

Author: jmprieur

README.md

@@ -17,6 +17,8 @@ For more information about how the protocols work in this scenario and other sce
 
 > This sample has been updated to ASP.NET Core 2.0. Looking for previous versions of this code sample? Check out the tags on the [ASP.NET Core 1.0](./tree/aspnet10) branch.
 
+> This sample is for Azure AD v1.0. If you are looking for an Azure AD v2.0 sample (to sign-in users with Work and School accounts **and Microsoft Personal accounts**, please look at [active-directory-aspnetcore-webapp-openidconnect-v2](https://github.com/Azure-Samples/active-directory-aspnetcore-webapp-openidconnect-v2)
+
 ### User experience
 The web API, **TodoListService**, maintains an in-memory collection of to-do items per authenticated user. The authenticated user carries the same to-do list across multiple instances of the web app in this sample as well as native clients like the [.NET native (WPF) client](https://github.com/Azure-Samples/active-directory-dotnet-native-aspnetcore).
 
@@ -36,6 +38,7 @@ On subsequent returns to the web app, the user's session is persisted locally in
 > [!NOTE] 
 > If you want to run this sample on **Azure Government**, see the "Azure Government Deviations" section at the bottom of this page.
 
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 ### Pre-requisites
 
 - [.NET Core for Windows](https://www.microsoft.com/net/learn/get-started/windows#windows)