docs: badge [skip ci][ci skip]

Author: adhocore

README.md

@@ -6,6 +6,8 @@
 [![Codecov branch](https://img.shields.io/codecov/c/github/adhocore/php-json-comment/main.svg?style=flat-square)](https://codecov.io/gh/adhocore/php-json-comment)
 [![StyleCI](https://styleci.io/repos/100117199/shield)](https://styleci.io/repos/100117199)
 [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
+[![Donate](https://img.shields.io/badge/donate-paypal-blue.svg?style=flat-square)](https://www.paypal.me/ji10/50usd)
+[![Tweet](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=Flexible+JSON+parser+with+comments+and+newline+support+in+PHP&url=https://github.com/adhocore/php-json-comment&hashtags=php,json,flexible-json,json-comment)
 
 
 - Lightweight JSON comment stripper library for PHP.