adding more examples and updating the docs

docs/ReactAddToCalendar.md

@@ -1,11 +1,23 @@
-`ReactAddToCalendar` (component)
-================================
+`0` (component)
+===============
 
 
 
 Props
 -----
 
+### `buttonClassClosed`
+
+type: `string`
+defaultValue: `'react-add-to-calendar__button'`
+
+
+### `buttonClassOpen`
+
+type: `string`
+defaultValue: `'react-add-to-calendar__button--light'`
+
+
 ### `buttonLabel`
 
 type: `string`
@@ -18,12 +30,24 @@ type: `object`
 defaultValue: `{ caret: 'right' }`
 
 
+### `buttonWrapperClass`
+
+type: `string`
+defaultValue: `'react-add-to-calendar__wrapper'`
+
+
 ### `displayItemIcons`
 
 type: `bool`
 defaultValue: `true`
 
 
+### `dropdownClass`
+
+type: `string`
+defaultValue: `'react-add-to-calendar__dropdown'`
+
+
 ### `event` (required)
 
 type: `object`
@@ -46,3 +70,9 @@ defaultValue: `[
     { yahoo: 'Yahoo' }
 ]`
 
+
+### `rootClass`
+
+type: `string`
+defaultValue: `'react-add-to-calendar'`
+