Create an attribute for Getting Started (#24825)

* Create an attribute for Getting Started

Closes #24824

Signed-off-by: AndyMunro <amunro@redhat.com>
Signed-off-by: Alexander Schwartz <aschwart@redhat.com>
Co-authored-by: Alexander Schwartz <aschwart@redhat.com>

docs/guides/.asciidoctorconfig

@@ -4,3 +4,6 @@
 :icons: font
 :section: guide
 :sections: guides
+
+ifndef::asciidoctorconfigdir[:asciidoctorconfigdir: .]
+include::{asciidoctorconfigdir}/attributes.adoc[]

docs/guides/attributes.adoc

@@ -1 +1,3 @@
 :project_name: Keycloak
+:archivebasename: keycloak
+:archivedownloadurl: https://github.com/keycloak/keycloak/releases/download/{version}/keycloak-{version}.zip

docs/guides/getting-started/getting-started-zip.adoc

@@ -11,20 +11,14 @@ summary="Get started with {project_name} on bare metal">
 
 == Before you start
 
-Make sure you have https://openjdk.java.net/[OpenJDK 17] installed.
+Make sure you have https://openjdk.java.net/[OpenJDK 17] installed. 
 
 == Download {project_name}
 
-Download and extract https://github.com/keycloak/keycloak/releases/download/{version}/keycloak-{version}.zip[keycloak-{version}.zip]
+Download and extract {archivedownloadurl}[{archivebasename}-{version}.zip]
 from the {project_name} website.
 
-<@profile.ifCommunity>
+After extracting this file, you should have a directory that is named `{archivebasename}-{version}`.
-After extracting this file, you should have a directory with a name that starts with `keycloak-{version}`.
-</@profile.ifCommunity>
-
-<@profile.ifProduct>
-After extracting this file, you should have a directory with a name that starts with `rhbk-{version}`.
-</@profile.ifProduct>
 
 include::templates/start-keycloak-localhost.adoc[]
 

docs/guides/getting-started/templates/start-keycloak-localhost.adoc

@@ -2,7 +2,7 @@
 
 == Start {project_name}
 
-. From a terminal, open the keycloak-{version} directory.
+. From a terminal, open the `{archivebasename}-{version}` directory.
 . Enter the following command:
 <@profile.ifProduct> 
 +