CNV-18642: Adding general QS note to Boot Sources

Author: Bob Gaydos

virt/virtual_machines/virtual_disks/virt-creating-and-using-boot-sources.adoc

@@ -10,6 +10,8 @@ A boot source contains a bootable operating system (OS) and all of the configura
 
 You use a boot source to create virtual machine templates with specific configurations. These templates can be used to create any number of available virtual machines.
 
+Quick Start tours are available in the {product-title} web console to assist you in creating a custom boot source, uploading a boot source, and other tasks. Select *Quick Starts* from the *Help* menu to view the Quick Start tours.
+
 include::modules/virt-about-vms-and-boot-sources.adoc[leveloffset=+1]
 
 include::modules/virt-importing-rhel-image-boot-source-web.adoc[leveloffset=+1]