[8.12] [DOCS] Add link to on-prem install tutorial (#176096) (#176234)

# Backport

This will backport the following commits from `main` to `8.12`:
- [[DOCS] Add link to on-prem install tutorial
(#176096)](#176096)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

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Add link to on-prem install tutorial (#176096)\n\nThis adds a link on
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[Install\r\nKibana](https://www.elastic.co/guide/en/kibana/current/install.html)\r\npage
pointing to a new example walkthrough of the on-prem install
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Co-authored-by: David Kilfoyle <[email protected]>

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