Add link to public docs from README (#11045)

* Update README.md

* Update README.md

---------

Co-authored-by: Kyle Pollich <[email protected]>

Author: amitkanfer

README.md

@@ -10,6 +10,9 @@ Elastic Packages have a certain, well-defined structure. This structure is descr
 
 While this repository contains _sources_ for Elastic Integrations, _built_ Elastic Integrations are published into a storage based on Google Cloud bucket (more info [here](https://github.com/elastic/elastic-package/blob/85d6fcacad736e543e459a044a5e0fa48b5d43c6/docs/howto/use_package_storage_v2.md)) and served up via the [Package Registry](#package-registry). The Fleet UI in Kibana connects to the Package Registry and allows users to discover, install, and configure Elastic Packages.
 
+## Documentation
+Public documentation is compiled and exported to our [Elastic docs](https://www.elastic.co/docs/current/integrations).
+
 ## Contributing
 
 Please review the [Contributing Guide](CONTRIBUTING.md) to learn how to build and develop packages, understand the release procedure and