[Addition]: Node.js Cheatsheet (#10836)

* addition

* addition space

* removing blank line

* Update more/free-programming-cheatsheets.md

Co-authored-by: Eric Hellman <eric@hellman.net>

* Update more/free-programming-cheatsheets.md

Co-authored-by: Eric Hellman <eric@hellman.net>

* Update more/free-programming-cheatsheets.md

Co-authored-by: Eric Hellman <eric@hellman.net>

---------

Co-authored-by: Eric Hellman <eric@hellman.net>

more/free-programming-cheatsheets.md

@@ -23,6 +23,7 @@
     * [jQuery](#jquery)
     * [Nest.js](#nestjs)
     * [Next.js](#nextjs)
+    * [Node.js](#nodejs)
     * [Nuxt.js](#nuxtjs)
     * [React.js](#reactjs)
     * [Vue.js](#vuejs)
@@ -274,6 +275,13 @@
 * [TypeScript Next.js Cheatsheet](https://www.saltycrane.com/cheat-sheets/typescript/next.js/latest/) - SaltyCrane Cheat Sheets
 
 
+#### Node.js
+
+* [Introduction to Node.js](https://www.codecademy.com/learn/learn-node-js/modules/intro-to-node-js/cheatsheet) - Codecademy
+* [Node.js Cheatsheet ZTM](https://zerotomastery.io/cheatsheets/node-js-cheat-sheet) - Zero To Mastery
+* [Node.js/Express Cheatsheet](https://courses.cs.washington.edu/courses/cse154/19su/resources/assets/cheatsheets/node-cheatsheet.pdf) - Melissa Hovik (PDF)
+
+
 #### Nuxt.js
 
 * [Nuxt.js Cheat Sheet](https://devdojo.com/suniljoshi19/nuxtjs-cheat-sheet) - Sunil Joshi (HTML)