Added node support

Scrum · Scrum · commit f2b27559a8a6 · 2016-03-23T08:19:47.000+03:00
diff --git a/package.json b/package.json
@@ -5,6 +5,9 @@
   "bin": {
     "posthtml": "./cli.js"
   },
+  "engines": {
+    "node": ">=4"
+  },
   "scripts": {
     "test": "xo && nyc ava",
     "prepush": "xo"
