ASP.NET Core Web应用程序的Web.config设置作为ASP.NET Core Web应用程序中的子应用程序？

Have "WebsiteA" trying to host another application "API" within it. Using a folder called "services". From what I've read in order for the sub-app to work I have to move my handlers up to the parent config. So being new to .NET Core I'm sure I'm missing something straightforward but set up the handlers in the parent something like this:Have "WebsiteA" trying to host another applicat