Merge pull request #83 from antoinerousseau/timezone-getter

Add getTimezone() in JS

README.md

@@ -148,5 +148,7 @@ console.log("Device Locale", DeviceInfo.getDeviceLocale()); // e.g en-US
 
 console.log("Device Country", DeviceInfo.getDeviceCountry()); // e.g US
 
+console.log("Timezone", DeviceInfo.getTimezone()); // e.g America/Mexico_City
+
 console.log("App Instance ID", DeviceInfo.getInstanceID()); // ANDROID ONLY - see https://developers.google.com/instance-id/
 ```

deviceinfo.js

@@ -53,4 +53,7 @@ module.exports = {
   getDeviceCountry: function() {
     return RNDeviceInfo.deviceCountry;
   },
+  getTimezone: function() {
+    return RNDeviceInfo.timezone;
+  },
 };