Updated README.md

Author: CodeWithDennis

README.md

@@ -51,6 +51,9 @@ SelectTree::make('category_id')
 
     // By default, all nodes are independent.
     ->independent(false)
+    
+    // The tree will open with the selected values by default (only works if independent is false)
+    ->expandSelected(false)
 
     // By default, the clearable icon is enabled, but you can hide it with:
     ->clearable(false)