fix(README): Fix npm link instructions

bmuenzenmeyer · bmuenzenmeyer · commit ce3a7f0922b3 · 2018-01-17T14:27:47.000-06:00
diff --git a/README.md b/README.md
@@ -105,7 +105,7 @@ git clone https://github.com/pattern-lab/patternlab-node.git
 npm install
 npm link
 cd location/of/editionOrSourceAndConfig
-npm link patternlab-node
+npm link @pattern-lab/patternlab-node
 ```
 
 The above is a bit verbose, but illustrates:
