chore: update package author info

Author: acostalima

package.json

@@ -3,7 +3,11 @@
   "description": "A fetch API polyfill for React Native with text streaming support.",
   "version": "1.0.0",
   "main": "fetch.js",
-  "author": "André Costa Lima <andreclima.pt@gmail.com> (https://github.com/acostalima/)",
+  "author": {
+    "name": "André Costa Lima",
+    "email": "andreclima.pt@gmail.com",
+    "url": "https://github.com/acostalima/"
+  },
   "repository": "react-native-community/fetch",
   "license": "MIT",
   "keywords": [