Merge pull request #754 from Ahmedhamed77/master

revert `package.json` to get types from `index.d.ts`

Author: morenoh149

package.json

@@ -30,7 +30,7 @@
   },
   "homepage": "https://github.com/rt2zz/react-native-contacts",
   "main": "index.ts",
-  "types": "index.ts",
+  "types": "index.d.ts",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
   },