https://damienbod.com/2018/06/26/updating-asp-net-core-identity-to-use-bootstrap-4/
https://damienbod.com/2018/07/03/adding-localization-to-the-asp-net-core-identity-pages/
https://docs.microsoft.com/en-us/aspnet/core/razor-pages/?view=aspnetcore-2.1&tabs=visual-studio