https://damienbod.com/2022/09/19/asp-net-core-api-auth-with-multiple-identity-providers/
https://damienbod.com/2022/11/21/use-multiple-azure-ad-access-tokens-in-an-asp-net-core-api/
2022-11-19 Update packages to latest LTS, added multi AAD API
https://docs.microsoft.com/en-us/aspnet/core/security/authentication/policyschemes
https://www.ietf.org/archive/id/draft-ietf-oauth-browser-based-apps-10.html