Add workflow badges back

Signed-off-by: Peter Nied <petern@amazon.com>

README.md

@@ -9,6 +9,10 @@
 [![Open Pull Requests](https://img.shields.io/github/issues-pr/opensearch-project/OpenSearch)](https://github.com/opensearch-project/OpenSearch/pulls)
 [![2.4 Open Issues](https://img.shields.io/github/issues/opensearch-project/OpenSearch/v2.4.0)](https://github.com/opensearch-project/OpenSearch/issues?q=is%3Aissue+is%3Aopen+label%3A"v2.4.0")
 [![3.0 Open Issues](https://img.shields.io/github/issues/opensearch-project/OpenSearch/v3.0.0)](https://github.com/opensearch-project/OpenSearch/issues?q=is%3Aissue+is%3Aopen+label%3A"v3.0.0")
+[![GHA gradle check](https://github.com/opensearch-project/OpenSearch/actions/workflows/gradle-check.yml/badge.svg)](https://github.com/opensearch-project/OpenSearch/actions/workflows/gradle-check.yml)
+[![GHA validate pull request](https://github.com/opensearch-project/OpenSearch/actions/workflows/wrapper.yml/badge.svg)](https://github.com/opensearch-project/OpenSearch/actions/workflows/wrapper.yml)
+[![GHA precommit](https://github.com/opensearch-project/OpenSearch/actions/workflows/precommit.yml/badge.svg)](https://github.com/opensearch-project/OpenSearch/actions/workflows/precommit.yml)
+[![Jenkins gradle check job](https://img.shields.io/jenkins/build?jobUrl=https%3A%2F%2Fbuild.ci.opensearch.org%2Fjob%2Fgradle-check%2F&label=Jenkins%20Gradle%20Check)](https://build.ci.opensearch.org/job/gradle-check/)
 
 - [Welcome!](#welcome)
 - [Project Resources](#project-resources)