Add opensearch-operator

Author: siegfriedweber

preview-src/index.adoc

@@ -190,6 +190,22 @@ xref:nifi::index.adoc[Read more]
 <div class="box">
 ++++
 
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+<h3>OpenSearch</h3>
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+
+OpenSearch is a search and analytics suite that makes it easy to ingest, search, visualize, and analyze data.
+
+xref:opensearch::index.adoc[Read more]
+
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+</div>
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+
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+<div class="box">
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+
 ++++
 <h3>Apache Spark</h3>
 ++++

src/partials/footer-content.hbs

@@ -77,7 +77,8 @@
         Hadoop logo, Apache Phoenix™, Phoenix and the Phoenix-Logo, Apache Iceberg, Iceberg and the
         Iceberg-Logo are either registered trademarks or trademarks of the Apache Software Foundation
         in the United States and/or other countries. Open Policy Agent (OPA) is a Cloud Native
-        Computing Foundation graduated project. Licensed under the Apache License, Version 2.0. Trino
+        Computing Foundation graduated project. Licensed under the Apache License, Version 2.0.
+        OpenSearch is a project of The Linux Foundation licensed under the Apache License 2.0. Trino
         is open source software licensed under the Apache License 2.0 and supported by the Trino
         Software Foundation. MinIO is a [“registered”, if applicable] trademark of the MinIO
         Corporation. All other products or name brands are trademarks of their respective holders.