Improve README

README.md

@@ -5,10 +5,11 @@ This repository hosts the source code of [v8.dev, the official website of the V8
 ## Local setup
 
 1. Clone the repository and `cd` into it.
-1. Install and use the expected Node.js version: `nvm use`
+1. Install and use the [expected](https://github.com/v8/v8.dev/blob/master/.nvmrc) Node.js version: `nvm use`
 1. Install dependencies: `npm install`
 
 `npm run` shows the full list of supported commands. Highlights:
 
+- `npm run build` builds the site into `dist`.
 - `npm run watch` builds the site into `dist` and watches for changes.
 - `npm start` kicks off a local HTTP server.