add badges

Author: carlosthe19916

README.md

@@ -1 +1,5 @@
-# xml-builder-lib
+![CI](https://github.com/project-openubl/xml-builder-lib/workflows/CI/badge.svg)
+[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=project-openubl_xml-builder-lib&metric=alert_status)](https://sonarcloud.io/dashboard?id=project-openubl_xml-builder-lib)
+[![FOSSA Status](https://app.fossa.com/api/projects/git%2Bgithub.com%2Fcarlosthe19916%2Fxml-builder-lib.svg?type=shield)](https://app.fossa.com/projects/git%2Bgithub.com%2Fcarlosthe19916%2Fxml-builder-lib?ref=badge_shield)
+
+# xml-builder-lib