✅ Add build status badge

README.md

@@ -1,6 +1,8 @@
 # catalogs-php
 A PHP framework to talk to Catalogs. Part of the [CloudFest 2024 Hackathon](https://hackathon.cloudfest.com/project/integrating-mariadb-catalogs-with-php-platforms/).
 
+![Build status](https://github.com/MariaDB/catalogs-php/actions/workflows/test.yml/badge.svg?branch=main)
+
 # Installation
 
 Include the catalog-php with composer:
@@ -19,4 +21,4 @@ Include autoloader in your project.
 We welcome contributions! Please see our contribution guidelines for details on how to submit pull requests, report issues, or suggest improvements.
 
 # License
-This project is licensed under the General Public License (GPLv3). See the LICENSE file for details.
+This project is licensed under the General Public License (GPLv3). See the LICENSE file for details.