Add xss rawColumns api.

Author: yajra

xss.md

@@ -1,6 +1,19 @@
 # XSS filtering
 
-To prevent XSS attack on some of your columns, you can use `escapeColumns` api.
+Since v7.0, all dataTable response are encoded to prevent XSS attack. In case you need to display html on your columns, you can use `rawColumns` api.
+
+> `action` column is allowed as raw by default.
+
+<a name="raw"></a>
+
+## Raw Columns
+```php
+return Datatables::eloquent(Role::select())
+		    ->rawColumns(['name', 'action'])
+		    ->make(true);
+```
+
+# Other XSS methods
 
 <a name="selected"></a>
 ## Escape selected fields