do not push anything except `dist/` to npm

package.json

@@ -3,6 +3,9 @@
   "version": "0.6.8",
   "description": "Chartwerk scatter pod",
   "main": "dist/index.js",
+  "files": [
+    "/dist"
+  ],
   "scripts": {
     "build": "webpack --config build/webpack.prod.conf.js && webpack --config build/webpack.dev.conf.js",
     "dev": "webpack --watch --config build/webpack.dev.conf.js",