Adding appsettings.json to a .NET Core console app

Quote from site :

 ''' This is something that’s strangely doesn’t seem to be that well documented and took me a while to figure out though in the end it’s pretty simple. All that’s required is to add the following NuGet packages and an appsettings.json file. Microsoft.Extensions.Configuration Microsoft.Extensions.Configuration.FileExtensions Microsoft.Extensions.Configuration.Json '''

appsettings-json-in-net-core-console-app