update node >= 8

Author: xfslove

README.md

@@ -3,7 +3,7 @@
 
 ## Install
 
-*Requires [Node.js](https://nodejs.org) 4+ and the Alfred [Powerpack](https://www.alfredapp.com/powerpack/).*
+*Requires [Node.js](https://nodejs.org) 8+ and the Alfred 3 or 4 [Powerpack](https://www.alfredapp.com/powerpack/).*
 
 - install with `npm install -g alfred-google-translate`
 - or [download](https://github.com/xfslove/alfred-google-translate/releases/tag/v2.0.6) workflow

package.json

@@ -10,7 +10,7 @@
     "url": "https://github.com/xfslove/alfred-google-translate"
   },
   "engines": {
-    "node": ">=4"
+    "node": ">=8"
   },
   "scripts": {
     "test": "xo && ava",