Update dead link (#350)

Update dead link to "Build a static site generator in 40 lines with Node.js"

README.md

@@ -422,7 +422,7 @@
 * [**Nim**: _Writing a INI Parser_](https://xmonader.github.io/nimdays/day05_iniparser.html)
 * [**Nim**: _Writing a Link Checker_](https://xmonader.github.io/nimdays/day04_asynclinkschecker.html)
 * [**Nim**: _Writing a URL Shortening Service_](https://xmonader.github.io/nimdays/day07_shorturl.html)
-* [**Node.js**: _Build a static site generator in 40 lines with Node.js_](https://medium.com/douglas-matoso-english/build-static-site-generator-nodejs-8969ebe34b22)
+* [**Node.js**: _Build a static site generator in 40 lines with Node.js_](https://www.webdevdrops.com/build-static-site-generator-nodejs-8969ebe34b22/)
 * [**Node.js**: _Building A Simple Single Sign On(SSO) Server And Solution From Scratch In Node.js._](https://codeburst.io/building-a-simple-single-sign-on-sso-server-and-solution-from-scratch-in-node-js-ea6ee5fdf340)
 * [**Node.js**: _How to create a real-world Node CLI app with Node_](https://medium.freecodecamp.org/how-to-create-a-real-world-node-cli-app-with-node-391b727bbed3)
 * [**PHP**: _Write your own MVC from scratch in PHP_ ](https://chaitya62.github.io/2018/04/29/Writing-your-own-MVC-from-Scratch-in-PHP.html)