Setting up the development environment

This is going to be our largest application to date, so let's make sure we can work comfortably.

Let's start by creating a project folder – let's call our project Keyword Wrangler:

$ mkdir keyword-wrangler

Next, we initialize a Node.js project in this folder by running npm init and answering the upcoming questions as follows:

$ npm init

This utility will walk you through creating a package.json file. It only covers the most common items, and tries to guess sane defaults:

See `npm help json` for definitive documentation on these fields and exactly what they do. Use `npm install <pkg> --save` afterwards to install a package and save it as a dependency in the package.json file. Press ^C at any time ...

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