Added Node.js eBook (#6119)

* Added Node.js eBook

* Update ebook listing with file formats
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

* Corrected Alphabetisation
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>

books/free-programming-books-langs.md

@@ -1228,6 +1228,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 #### Node.js
 
 * [An Introduction to libuv](https://nikhilm.github.io/uvbook/) - Nikhil Marathe  ([PDF](http://nikhilm.github.io/uvbook/An%20Introduction%20to%20libuv.pdf) - [ePub](http://nikhilm.github.io/uvbook/An%20Introduction%20to%20libuv.epub))
+* [From Containers to Kubernetes with Node.js](https://www.digitalocean.com/community/books/from-containers-to-kubernetes-with-node-js-ebook) - Kathleen Juell (PDF, EPUB)
 * [Full Stack JavaScript: Learn Backbone.js, Node.js and MongoDB](https://github.com/azat-co/fullstack-javascript) - Azat Mardan
 * [How To Code in Node.js - eBook](https://www.digitalocean.com/community/books/how-to-code-in-node-js-ebook) - David Landup, Marcus Sanatan @ Stack Abuse, Digital Ocean (PDF, EPUB)
 * [Introduction to Node.js](https://nodejs.dev/learn) (HTML)