Add nodemon content (#1786)

* Update 100-nodemon.md

* Update content/roadmaps/107-nodejs/content/108-nodejs-keep-app-running/100-nodemon.md

Co-authored-by: Kamran Ahmed <kamranahmed.se@gmail.com>

content/roadmaps/107-nodejs/content/108-nodejs-keep-app-running/100-nodemon.md

@@ -1 +1,8 @@
-# Nodemon
+# Nodemon
+
+In Node.js, you need to restart the process to make changes take effect. This adds an extra step to your workflow. You can eliminate this extra step by using [nodemon](https://nodemon.io/) to restart the process automatically.
+
+`nodemon` is a command-line interface (CLI) utility developed by [@rem](https://twitter.com/rem) that wraps your Node app, watches the file system, and automatically restarts the process.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.digitalocean.com/community/tutorials/workflow-nodemon'>How To Restart Your Node.js Apps Automatically with nodemon</BadgeLink>