Makes NPM a link like Yarn is (#4998)

njlr · cpojer · commit aa4f09d10b5a · 2017-12-01T15:44:44.000Z
Yarn is a link, so why not NPM?
diff --git a/docs/GettingStarted.md b/docs/GettingStarted.md
@@ -3,7 +3,7 @@ id: getting-started
 title: Getting Started
 ---
 
-Install Jest using `npm`:
+Install Jest using [`npm`](https://www.npmjs.com/):
 
 ```
 npm install --save-dev jest
