Add debugging support

- [Instructor] Next in our Node.js TypeScript project,…let's go ahead and add support for debugging.…So, what I intend to do, is that anytime I hit F5,…in this project, I want to start debugging,…and the easiest way to do that,…is add a launch.json file in a folder called .vscode.…Here, I'm going to create a new file called launch.json,…and here let's go ahead and add a configuration.…

Now, it adds this configuration that is not very useful,…it's just giving me some starter help, but really,…all we care about this, is this configurations area,…because this is a really simple application.…Just a single configuration is all we need.…So here I'm going to go ahead…and add a configuration called Start,…and this will be type...…since this is a Node.js project, so I'll choose node,…This'll be a launch, so we're not attaching to a process,…we're launching a new process.…

And let's go ahead and give it arguments,…so the arguments that I wish to provide it are,…basically let's run the active file,…so I'm just going to say dollar relative file.…