Update README.md

Author: VadimHalimendikCr

README.md

@@ -37,27 +37,38 @@ Library consists of three parts:
  android:layout_height="match_parent" 
  app:cellMargin="1dp"
  app:fixedHeaders="true"
- app:solidRowHeaders="true" />
+ app:solidRowHeaders="true"
+ app:dragAndDropEnabled="true"/>
 ```
 | attribute name | description |
 |---|---|
 | cellMargin | margin between cards |
 | fixedHeaders | fixed headers mode. If enable, headers always will be displayed in the corners. |
 | solidRowHeaders | solid row headers mode. If enable, row header will change its position with dragging row. |
+| dragAndDropEnabled | drag and drop mode. If enable, column or row will change its position with dragging after long press on row or column header. |
 
 ```groovy
-// return fixed headers mode
+// Return fixed headers mode
 boolean isHeaderFixed(); 
 
-// return solid row headers mode
+// Return solid row headers mode
 boolean isSolidRowHeader()
 
+// Return drag and drop mode
+boolean isDragAndDropEnabled()
+
+// Return true if layout direction is RightToLeft
+boolean isRTL()
+
 // Set fixed headers mode
 void setHeaderFixed(boolean headerFixed)
 
 // Set solid row headers mode
 void setSolidRowHeader(boolean solidRowHeader)
 
+// Set drag and drop mode
+void setDragAndDrow(boolean enabled)
+
 /**
  * Set adapter with IMMUTABLE data.
  * Create wrapper with links between layout rows, columns and data rows, columns.