Merge pull request #156 from jamesmills/patch-1

Updating to use Treeware

README.md

@@ -8,6 +8,7 @@ JSON Schema $Ref Parser
 [![npm](https://img.shields.io/npm/v/json-schema-ref-parser.svg)](https://www.npmjs.com/package/json-schema-ref-parser)
 [![Dependencies](https://david-dm.org/APIDevTools/json-schema-ref-parser.svg)](https://david-dm.org/APIDevTools/json-schema-ref-parser)
 [![License](https://img.shields.io/npm/l/json-schema-ref-parser.svg)](LICENSE)
+[![Buy us a tree](https://img.shields.io/badge/Treeware-%F0%9F%8C%B3-lightgreen)](https://click.treeware.earth/APIDevTools/json-schema-ref-parser)
 
 
 [![OS and Browser Compatibility](https://apitools.dev/img/badges/ci-badges-with-ie.svg)](https://travis-ci.com/APIDevTools/json-schema-ref-parser)
@@ -146,6 +147,9 @@ License
 --------------------------
 JSON Schema $Ref Parser is 100% free and open-source, under the [MIT license](LICENSE). Use it however you want.
 
+If you use JSON Schema $Ref Parser, then we ask that you [**buy the world a tree**](https://click.treeware.earth/APIDevTools/json-schema-ref-parser) to thank us for our work.
+
+By contributing to the Treeware forest you’ll be creating employment for local families and restoring wildlife habitats.  Read more about Treeware at [treeware.earth](http://treeware.earth)
 Big Thanks To
 --------------------------
 Thanks to these awesome companies for their support of Open Source developers ❤