docs: add status badges

README.md

@@ -1,10 +1,10 @@
 # PAYONE Commerce Platform Java SDK
 
-Welcome to the Java SDK for the PAYONE Commerce Platform! This repository contains a powerful, easy-to-use software development kit (SDK) designed to simplify the integration of online payment processing into your applications.
-
-### TODOS
+[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=PAYONE-GmbH_PCP-ServerSDK-java&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=PAYONE-GmbH_PCP-ServerSDK-java)
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=PAYONE-GmbH_PCP-ServerSDK-java&metric=coverage)](https://sonarcloud.io/summary/new_code?id=PAYONE-GmbH_PCP-ServerSDK-java)
+![Maven Central Version](https://img.shields.io/maven-central/v/io.github.payone-gmbh/pcp-serversdk-java)
 
-- [ ] Setup changelog
+Welcome to the Java SDK for the PAYONE Commerce Platform! This repository contains a powerful, easy-to-use software development kit (SDK) designed to simplify the integration of online payment processing into your applications.
 
 ## Table of Contents