Fix commonJS imports

index.js

 // @flow
 
 import Permissions from './lib/permissions'
-export { Permissions as default }
+export default Permissions

lib/permissions.android.js

     )
 }
 
-module.exports = new ReactNativePermissions()
+export default new ReactNativePermissions()

lib/permissions.ios.js

     )
 }
 
-module.exports = new ReactNativePermissions()
+export default new ReactNativePermissions()