publish config

Author: michaelaguiar

Diff for: package.json

@@ -10,6 +10,9 @@
     "type": "git",
     "url": "git+https://github.com/aliasproject/imgdefer.git"
   },
+  "publishConfig": {
+    "registry": "https://npm.pkg.github.com/"
+  },
   "keywords": [
     "imgdefer",
     "es6",