notifications] adding native notifications

Summary: Adds a notification disapatcher to the redux store which triggers native notifications.

Reviewed By: jknoxville

Differential Revision: D10301490

fbshipit-source-id: d926d9a5378359ebb98a8b5816100f41db1e13e6

src/dispatcher/index.js

@@ -11,6 +11,7 @@ import windowsDevice from './windowsDevice';
 import application from './application';
 import tracking from './tracking';
 import server from './server';
+import notifications from './notifications';
 
 import type Logger from '../fb-stubs/Logger.js';
 import type {Store} from '../reducers/index.js';
@@ -23,4 +24,5 @@ export default (store: Store, logger: Logger) =>
     windowsDevice,
     tracking,
     server,
+    notifications,
   ].forEach(fn => fn(store, logger));