OLS-1756: OLS subscription requirements

Author: rh-tokeefe

_attributes/common-attributes.adoc

@@ -14,6 +14,12 @@
 :rhel: Red Hat Enterprise Linux
 :rhelai: Red Hat Enterprise Linux AI
 :rhoai: Red Hat OpenShift AI
+:ove-first: Red Hat OpenShift Virtualization Engine
+:ove: OpenShift Virtualization Engine
+:oke-first: Red Hat OpenShift Kubernetes Engine
+:oke: OpenShift Kubernetes Engine
+:opp-first: Red Hat OpenShift Platform Plus
+:opp: OpenShift Platform Plus
 // OC CLI
 :oc-first: pass:quotes[OpenShift CLI (`oc`)]
 //OpenShift

install/ols-installing-openshift-lightspeed.adoc

@@ -9,4 +9,5 @@ toc::[]
 The installation process for {ols-official} consists of two main tasks: installing the {ols-short} Operator and configuring the large language model (LLM) provider.
 
 include::modules/ols-large-language-model-configuration-overview.adoc[leveloffset=+1]
+include::modules/ols-about-subscription-requirements.adoc[leveloffset=+1]
 include::modules/ols-installing-operator.adoc[leveloffset=+1]

modules/ols-about-subscription-requirements.adoc

@@ -0,0 +1,18 @@
+// Module included in the following assemblies:
+// * lightspeed-docs-main/install/ols-installing-openshift-lightspeed.adoc
+
+:_mod-docs-content-type: CONCEPT
+[id="about-subscription-requirements_{context}"]
+= About subscription requirements
+
+{ols-official} requires an active and valid subscription to one of the following products:
+
+* {ocp-product-title}
+* {ove-first}
+* {opp-first}
+* {oke-first}
++
+[NOTE]
+====
+{ols-short} and {oke} is only supported for virtual machines.
+====