add PHP Composer badge to README

Author: hebertcisco

README.md

@@ -1,5 +1,7 @@
 # usevalid.email
 
+[![PHP Composer](https://github.com/usevalid-email/php-sdk/actions/workflows/php.yml/badge.svg)](https://github.com/usevalid-email/php-sdk/actions/workflows/php.yml)
+
 [![Latest Version on Packagist](https://img.shields.io/packagist/v/usevalid-email/sdk.svg?style=flat-square)](https://packagist.org/packages/usevalid-email/sdk)
 [![Total Downloads](https://img.shields.io/packagist/dt/usevalid-email/sdk.svg?style=flat-square)](https://packagist.org/packages/usevalid-email/sdk)
 [![License](https://img.shields.io/packagist/l/usevalid-email/sdk.svg?style=flat-square)](https://packagist.org/packages/usevalid-email/sdk)
@@ -70,7 +72,6 @@ Please see [CONTRIBUTING](CONTRIBUTING.md) for details.
 
 ## Credits
 
-- [Hebert Barros](https://github.com/hebertcisco)
 - [All Contributors](https://github.com/usevalid-email/php-sdk/graphs/contributors)
 
 ## License