Create recipe "Debugging with node inspect"

[rien]

I had some trouble to get the node inspector to work with ava, but after digging trough the issues (e.g. #1505, #1108) I found you had to use the (undocumented) profile.js file.

This PR adds a recipe with some documentation of this method, so it's easier for people to find.

[forresst]

Nice job, I have some corrections and proposals.

If the recipe is accepted by the team, it will also be necessary to add a link in the README.md

[rien]

Thanks for your review @forresst, I have applied your suggestions.

[novemberborn]

Thanks for your PR @rien, I really do appreciate it.

profile.js is mentioned in some recipes, like https://github.com/avajs/ava/blob/fd73358d9ee85c3623a10acfebb5af88c51d628b/docs/recipes/debugging-with-chrome-devtools.md and https://github.com/avajs/ava/blob/0a5fe429ca37c025a15c5af919827436cc413abc/docs/recipes/debugging-with-vscode.md.

This is not something we want to promote further, however.

We have an open issue for a built-in debug mode instead: #1505