Where does App.config come from?

Question

C++ / C#

I'm learning EF from this lesson . There, when creating an empty console project, the App.config file is allegedly created. I don't have it. When you try to add it to the project and copy the config from the lesson, nothing comes out either. Where does this file come from?
I create a project like this:

Answer 1

I use Visual Studio Community 2017 and this configuration file is in the project.
Are you adding from here?

Answer 2

App.config is used for application settings - similar to ini. Sharpe has built-in tools (class) for organizing access to the config. I just don't remember)