Update README.md

README.md

 
 * [Firegento](https://packages.firegento.com/) - Magento Module Composer Repository.
 * [Packagist](https://packagist.org/) - The PHP Package Repository.
+* [Packalyst](https://packalyst.com/) - The Laravel Package Repository
 * [Private Packagist](https://packagist.com/) - Composer package archive as a service for PHP.
 * [WordPress Packagist](https://wpackagist.org/) - Manage your plugins with Composer.
 * [Zend Framework Packages](https://packages.zendframework.com/) - Zend Framework Composer Repository.