[DOCS] Add link to on-prem install tutorial (elastic#176096)

This adds a link on the [Install
Kibana](https://www.elastic.co/guide/en/kibana/current/install.html)
page pointing to a new example walkthrough of the on-prem install steps.


![kib](https://github.com/elastic/kibana/assets/41695641/d81c90e5-f854-44bf-8a1f-3a14e535a07e)

docs/setup/install.asciidoc

@@ -9,6 +9,8 @@ If you are running our hosted Elasticsearch Service on Elastic Cloud, you access
 [float]
 === Install {kib} yourself
 
+TIP: For a step-by-step example of setting up the {stack} on your own premises, try out our tutorial: {stack-ref}/installing-stack-demo-self.html[Installing a self-managed Elastic Stack].
+
 NOTE: Starting with version 6.0.0, Kibana only supports 64 bit operating systems.
 
 Kibana is provided in the following package formats:

docs/setup/install/rpm.asciidoc

@@ -20,6 +20,8 @@ The latest stable version of Kibana can be found on the
 link:/downloads/kibana[Download Kibana] page. Other versions can
 be found on the link:/downloads/past-releases[Past Releases page].
 
+TIP: For a step-by-step example of setting up the {stack} on your own premises, try out our tutorial: {stack-ref}/installing-stack-demo-self.html[Installing a self-managed Elastic Stack].
+
 [[rpm-key]]
 ==== Import the Elastic PGP key