feat: Add possibility to clear search on node selection (#76)

Author: Gregcop1

README.md

@@ -41,6 +41,7 @@ A lightweight and fast control to render a select component that can display hie
 * [Usage](#usage)
 * [Props](#props)
   * [className](#classname)
+  * [clearSearchOnChange](#clearsearchonchange)
   * [onChange](#onchange)
   * [onNodeToggle](#onnodetoggle)
   * [data](#data)
@@ -165,6 +166,12 @@ Type: `string`
 
 Additional classname for container. The container renders with a default classname of `react-dropdown-tree-select`.
 
+### clearSearchOnChange
+
+Type: `bool`
+
+Clear the input search if a node has been selected/unselected.
+
 ### onChange
 
 Type: `function`