docs(readme): add customStyles available keys docs #35

README.md

@@ -81,6 +81,12 @@ You can check [index.js](https://github.com/xgfe/react-native-datepicker/blob/ma
 | onDateChange | - | `function` | This is called when the user confirm the picked date or time in the UI. The first and only argument is a date or time string representing the new date and time formatted by [moment.js](http://momentjs.com/) with the given format property. |
 | modalOnResponderTerminationRequest | - | `function` | Set the callback for React Native's [Gesture Responder System](https://facebook.github.io/react-native/docs/gesture-responder-system.html#responder-lifecycle)'s call to `onResponderTerminationRequest`. By default this will reject a termination request, but can be overidden in case the View under the Modal is implementing custom gesture responders, and you wish for those to be overidden in certain cases.  |
 
+### Property `customStyles` available keys
+
+* appearance: `dateInput`, `disabled`, `dateTouchBody`, `dateIcon`, `placeholderText`, `dateText`
+* ios select panel: `datePickerCon`, `datePicker`, `btnConfirm`, `btnTextConfirm`, `btnCancel`, `btnTextCancel`
+
+
 ## Instance Methods
 
 | Method  | Params  | Description |