Change name of the handler function to router

[notwaving]

Hope this is the right file!

#codebar24PR2017

[claireinez]

Hi @notwaving, thanks for making a PR 🎉 I think you might want to raise it over on the Node Girls repo though?

I see that your work is in response to this issue but we need to change any reference to handlers throughout the workshop to be consistent, and I see it mentioned in a few other files. Also, in step 7, we ask people to make a file called handler.js but that needs to be changed to router.js.

If you have any problems, please do give us a nudge! I'm sure @ZooeyMiller will also be happy to help :) Thanks again for taking the time to help us out! 😊