chore(package): update rollup-plugin-node-resolve to version 5.0.2

Closes #26

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
     "rollup": "^1.0.0",
     "rollup-plugin-babel": "^4.2.0",
     "rollup-plugin-filesize": "^6.0.0",
-    "rollup-plugin-node-resolve": "^4.0.0",
+    "rollup-plugin-node-resolve": "^5.0.2",
     "@babel/plugin-proposal-class-properties": "^7.2.1"
   },
   "dependencies": {