Add "Shell scripting with Node.js" (#8261)

* Add "Shell scripting with Node.js"

* fix: remove honorifics dr

books/free-programming-books-langs.md

@@ -1293,6 +1293,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Node.js Notes for Professionals](http://goalkicker.com/NodeJSBook) - Compiled from StackOverflow Documentation (PDF)
 * [Node.js Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/nodejs) (PDF, Kindle) (email address *requested*, not required)
 * [Practical Node.js: Building Real-World Scalable Web Apps](https://github.com/azat-co/practicalnode) - Azat Mardan
+* [Shell scripting with Node.js](https://exploringjs.com/nodejs-shell-scripting/index.html) - Axel Rauschmayer (HTML)
 * [The Node Beginner Book](http://nodebeginner.org)
 * [The Node.js Handbook](https://flaviocopes.com/page/node-handbook/) - Flavio Copes (PDF, EPUB, Kindle) *(email address requested)*