package.json: fix

Author: andreypopp

package.json

@@ -42,10 +42,10 @@
     "pushState"
   ],
   "author": "Andrey Popp <[email protected]> (https://github.com/andreypopp)",
-  "contributors": {
+  "contributors": [
     "Dave Mac (https://github.com/DveMac)",
     "Simen Brekken <[email protected]> (https://github.com/sbrekken)"
-  },
+  ],
   "license": "MIT",
   "bugs": {
     "url": "https://github.com/andreypopp/react-router-component/issues"