Edit Quickstart system reqs into a list

Author: aneta-petrova

guides/common/modules/ref_system-requirements-quickstart.adoc

@@ -3,8 +3,8 @@
 [id="system-requirements"]
 = System requirements
 
-The following operating systems are supported for deploying {Project}:
-
+* The following operating systems are supported for deploying {Project}:
++
 .Operating systems supported for deploying {Project}
 [options="header"]
 |====
@@ -20,14 +20,12 @@ ifdef::foreman-deb[]
 | Ubuntu 22.04 (Jammy) | amd64
 endif::[]
 |====
-
 ifdef::foreman-el,katello,orcharhino[]
-Installing {Project} on a system with Extra Packages for Enterprise Linux (EPEL) is not supported.
+* Installing {Project} on a system with Extra Packages for Enterprise Linux (EPEL) is not supported.
 endif::[]
+* Install {ProductName} on a freshly provisioned system that serves no other function except to run {ProductName}.
+* Ensure the system has at least {project-minimum-memory} of memory
 
-The installation requires {project-minimum-memory} of memory.
-
-This guide assumes that you have a newly installed operating system.
 The installer sets up Foreman, a Puppet server, and the Smart Proxy by default.
 
 .Additional resources