Added Treeware badge and license

Author: JamesMessinger

README.md

@@ -11,7 +11,7 @@ Chai Exec
 
 [![npm](https://img.shields.io/npm/v/@jsdevtools/chai-exec.svg)](https://www.npmjs.com/package/@jsdevtools/chai-exec)
 [![License](https://img.shields.io/npm/l/@jsdevtools/chai-exec.svg)](LICENSE)
-[![Buy us a tree](https://img.shields.io/badge/Treeware-%F0%9F%8C%B3-lightgreen)](https://plant.treeware.earth/JS-DevTools/XXXXXXXXXXXXXXXXXXXXXXXXX)
+[![Buy us a tree](https://img.shields.io/badge/Treeware-%F0%9F%8C%B3-lightgreen)](https://plant.treeware.earth/JS-DevTools/chai-exec)
 
 
 Features