Add Node.js download page link

Author: a1icja

README.md

@@ -50,7 +50,7 @@ This repository contains the **Kata Containers Test Dashboard**, a web applicati
 Follow these steps to set up the development environment for the Kata Containers Test Dashboard:
 
 ### Prerequisites
-- **Node.js** (version 18.x or later recommended)
+- [**Node.js**](https://nodejs.org/en/download) (version 18.x or later recommended)
 - **npm** (comes with Node.js)
 
 ### Installation