I'm following some tutorials and one of the things early on that differs from the video is I don't have a routeconfig.cs file. I click File > New Project > ASP.NET Core Web Application > Web Application (Model-View-Controller). The folders I get are Controllers, Models, Views. No Startup folder where my routeconfig would appear to be.

Can someone explain how this changed in VS2019 and where this file is? If it's not global anymore, can you provide a basic analogy for how it works?

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Thank you in advance kind peoples!