docs: add contributors and discussions badges

Author: oliemansm

README.md

@@ -2,6 +2,9 @@
 [![Maven Central](https://img.shields.io/maven-central/v/com.graphql-java-kickstart/graphql-java-servlet.svg)](https://maven-badges.herokuapp.com/maven-central/com.graphql-java-kickstart/graphql-java-servlet)
 [![Build Status](https://github.com/graphql-java-kickstart/graphql-java-servlet/workflows/Publish%20snapshot/badge.svg)](https://github.com/graphql-java-kickstart/graphql-java-servlet/actions?query=workflow%3A%22Publish+snapshot%22)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=graphql-java-kickstart_graphql-java-servlet&metric=alert_status)](https://sonarcloud.io/dashboard?id=graphql-java-kickstart_graphql-java-servlet)
+[![GitHub contributors](https://img.shields.io/github/contributors/graphql-java-kickstart/graphql-java-servlet)](https://github.com/graphql-java-kickstart/graphql-java-servlet/graphs/contributors)
+[![Discuss on GitHub](https://img.shields.io/badge/GitHub-discuss-orange)](https://github.com/graphql-java-kickstart/graphql-java-servlet/discussions)
+
 
 ## We are looking for contributors!
 Are you interested in improving our documentation, working on the codebase, reviewing PRs?