Add Bengali language support

README.md

@@ -22,21 +22,22 @@ you can choose date / time / date&time in multiple languages:
 - Japanese(jp)
 - German(de)
 - Danish(da)
+- Bengali(bn)
 
 and you can also custom your own picker content
 
-
-|Date picker|Time picker|Date Time picker|
-| ------- | ------- |------- |
-|![]( screen_date.png) |![]( screen_time.png) |![]( screen_datetime_chinese.png) |
+| Date picker          | Time picker          | Date Time picker                 |
+| -------------------- | -------------------- | -------------------------------- |
+| ![](screen_date.png) | ![](screen_time.png) | ![](screen_datetime_chinese.png) |
 
 International:
 
-| Date Time picker (Chinese) | Date Time picker (America) | Date Time picker (Dutch) | Date Time picker (Russian) |
-| ------- | ------- | ------- | ------- |
-|![]( screen_datetime_chinese.png)|![]( screen_datetime_english.png)|![]( screen_datetime_dutch.png)|![]( screen_datetime_russian.png)|
+| Date Time picker (Chinese)       | Date Time picker (America)       | Date Time picker (Dutch)       | Date Time picker (Russian)       |
+| -------------------------------- | -------------------------------- | ------------------------------ | -------------------------------- |
+| ![](screen_datetime_chinese.png) | ![](screen_datetime_english.png) | ![](screen_datetime_dutch.png) | ![](screen_datetime_russian.png) |
 
 ## Usage
+
 ```
 FlatButton(
     onPressed: () {
@@ -56,7 +57,9 @@ FlatButton(
 ```
 
 ## Custom
+
 If you want to customize your own style of date time picker, there is a class called CommonPickerModel, every type of date time picker is extended from this class, you can refer to other picker model (eg. DatePickerModel), and write your custom one, then pass this model to showPicker method, so that your own date time picker will appear, it’s easy, and will perfectly meet your demand
+
 ## Getting Started
 
 For help getting started with Flutter, view our online [documentation](https://flutter.io/).