chore(package): update rollup-plugin-node-resolve to version 4.0.1

Closes #12

Author: greenkeeper[bot]

package.json

@@ -92,7 +92,7 @@
     "rollup": "^0.67.4",
     "rollup-plugin-babel": "^4.0.3",
     "rollup-plugin-commonjs": "^9.1.3",
-    "rollup-plugin-node-resolve": "^3.3.0",
+    "rollup-plugin-node-resolve": "^4.0.1",
     "rollup-plugin-peer-deps-external": "^2.2.0",
     "rollup-plugin-url": "^2.0.1",
     "write-good": "^0.13.1"