Readme updated to include control details

README.md

@@ -5,6 +5,36 @@ Nepali Date Picker for Xamarin Forms
 
 ```  Install-Package Xam.Plugins.NepaliDatePicker -Version 1.0.0 ```
 
+**Usage**   
+
+1. Import namespace in your xaml file   
+
+```  xmlns:CustomControls="clr-namespace:Xam.Plugins.NepaliDatePicker.CustomControls;assembly=Xam.Plugins.NepaliDatePicker"  ```
+
+2. Use CustomControl wherever required   
+
+```    <CustomControls:NepaliDatePickerEntry DateFormat="mDy" Separator="/" CurrentDate="04/31/2078" /> ```   
+
+3. Since, it uses [Rg.Plugins.Popup](https://github.com/rotorgames/Rg.Plugins.Popup/wiki/Getting-started) for showing calendar , initialise it in platform specific projects.
+
+**Available Bindable Properties**   
+This plugin is a customisation on existing Entry . So, you can use all existing bindable properties of entry. Below are the bindable properties provided by this plugin
+
+ ***CurrentDate***   
+ Provide initial Value to the control by setting value in this property .Value defaults to String.Empty
+
+ ***Separator***   
+ Takes char value and used to separate the day,month and year parts . Value defaults to "-"
+
+ ***DateFormat***   
+ gets/sets Text value in control in specified format . Available Options are 
+ 1. yMd
+ 2. dMy
+ 3. mDy   
+
+ Value defaults to yMd
+
+
 **Working Screenshot**  
 ![alt text][screenshot]