docs: add downloads, stars, and maintained badges to README

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: CreativeNative

README.md

@@ -9,6 +9,9 @@
 [![PHP 8.4+](https://img.shields.io/badge/PHP-8.4%2B-8892BF.svg)](https://php.net/)
 [![Symfony 7.3+](https://img.shields.io/badge/Symfony-7.3%2B-000000.svg)](https://symfony.com/)
 [![Doctrine ORM 3.5+](https://img.shields.io/badge/Doctrine-ORM%203.5%2B-FF6D00.svg)](https://www.doctrine-project.org/)
+[![Total Downloads](https://img.shields.io/packagist/dt/tmi/translation-bundle.svg)](https://packagist.org/packages/tmi/translation-bundle)
+[![GitHub Stars](https://img.shields.io/github/stars/CreativeNative/translation-bundle.svg?style=social)](https://github.com/CreativeNative/translation-bundle)
+[![Maintained](https://img.shields.io/badge/maintained-yes-brightgreen.svg)](https://github.com/CreativeNative/translation-bundle)
 
 A modern, high-performance translation bundle for Symfony that stores entity translations **in the same table** as the source entity - no expensive joins, no complex relations.