Keep Node install step

Author: ACrazyTown

README.md

@@ -12,6 +12,7 @@ for generation, [Tailwind CSS](https://tailwindcss.com/) for styling, and [Iconi
   [zola are here](https://www.getzola.org/documentation/getting-started/installation/).
   It is just a binary file you either add to your path, or install via package
   manager!
+- You need to [install node](https://nodejs.org) if you don't already have it.
 
 # Running the site