Mention start-local in README (#8660)

Author: flobernd

README.md

@@ -69,6 +69,18 @@ for comprehensive information on installation, configuration and usage.
 
 The API reference documentation is available [here](https://elastic.github.io/elasticsearch-net).
 
+## Try Elasticsearch and Kibana locally
+
+If you want to try Elasticsearch and Kibana locally, you can run the following command:
+
+```bash
+curl -fsSL https://elastic.co/start-local | sh
+```
+
+This will run Elasticsearch at [http://localhost:9200](http://localhost:9200) and Kibana at [http://localhost:5601](http://localhost:5601).
+
+More information is available [here](https://www.elastic.co/guide/en/elasticsearch/reference/current/run-elasticsearch-locally.html).
+
 ## Contributing
 
 See [CONTRIBUTING.md](./CONTRIBUTING.md)
@@ -78,4 +90,4 @@ See [CONTRIBUTING.md](./CONTRIBUTING.md)
 This software is Copyright (c) 2014-2025 by Elasticsearch BV.
 
 This is free software, licensed under
-[The Apache License Version 2.0](https://github.com/elastic/elasticsearch-net/blob/main/LICENSE.txt).
+[The Apache License Version 2.0](https://github.com/elastic/elasticsearch-net/blob/main/LICENSE.txt).