Update README to provide a link to community forum

Author: andrea-guarino-sonarsource

README.md

@@ -1,10 +1,16 @@
 Sonar Custom Rules Examples [![Build Status](https://travis-ci.org/SonarSource/sonar-custom-rules-examples.svg?branch=master)](https://travis-ci.org/SonarSource/sonar-custom-rules-examples)
 ==========
 
-This repository contains project examples you can directly clone to bootstrap your own project to write custom rules for COBOL, Java, JavaScript, PHP, Python and RPG.
+This repository contains project examples you can directly clone to bootstrap your own project to write custom rules for COBOL, PHP, Python and RPG.
 
 Related documentation is there: https://docs.sonarqube.org/latest/extend/adding-coding-rules/
 
+Have question or feedback?
+--------------------------
+
+Note that GitHub issues have been disabled.
+To provide feedback or ask for help, please use the [Sonar Community Forum](https://community.sonarsource.com/).
+
 ### License
 
 Copyright 2016-2022 SonarSource.