Add SonarCloud badges and links
diff --git a/README.md b/README.md
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 [<img src="https://sling.apache.org/res/logos/sling.png"/>](https://sling.apache.org)
 
  [![Build Status](https://builds.apache.org/buildStatus/icon?job=Sling/sling-org-apache-sling-servlet-helpers/master)](https://builds.apache.org/job/Sling/job/sling-org-apache-sling-servlet-helpers/job/master) [![Test Status](https://img.shields.io/jenkins/t/https/builds.apache.org/job/Sling/job/sling-org-apache-sling-servlet-helpers/job/master.svg)](https://builds.apache.org/job/Sling/job/sling-org-apache-sling-servlet-helpers/job/master/test_results_analyzer/) [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.sling/org.apache.sling.servlet-helpers/badge.svg)](https://search.maven.org/#search%7Cga%7C1%7Cg%3A%22org.apache.sling%22%20a%3A%22org.apache.sling.servlet-helpers%22) [![JavaDocs](https://www.javadoc.io/badge/org.apache.sling/org.apache.sling.servlet-helpers.svg)](https://www.javadoc.io/doc/org.apache.sling/org.apache.sling.servlet-helpers) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://www.apache.org/licenses/LICENSE-2.0)
+ 
+ [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=apache_sling-org-apache-sling-servlet-helpers&metric=alert_status)](https://sonarcloud.io/dashboard?id=apache_sling-org-apache-sling-servlet-helpers)
+[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=apache_sling-org-apache-sling-servlet-helpers&metric=coverage)](https://sonarcloud.io/dashboard?id=apache_sling-org-apache-sling-servlet-helpers)
+[![Bugs](https://sonarcloud.io/api/project_badges/measure?project=apache_sling-org-apache-sling-servlet-helpers&metric=bugs)](https://sonarcloud.io/dashboard?id=apache_sling-org-apache-sling-servlet-helpers)
+[![Vulnerabilities](https://sonarcloud.io/api/project_badges/measure?project=apache_sling-org-apache-sling-servlet-helpers&metric=vulnerabilities)](https://sonarcloud.io/dashboard?id=apache_sling-org-apache-sling-servlet-helpers)
 
 # Apache Sling Servlet Helpers