[Doc] Add Red Hat Enterprise Linux 9 and 10 repositories example under System Roles

https://content-preview.docs.redhat.com/en/documentation/red_hat_satellite/6.17/html-single/managing_configurations_by_using_ansible_integration/index#adding-rhel-system-roles_ansible

Satellite 6.17 Docs, Managing configurations by using Ansible integration

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1.5. Adding Red Hat Enterprise Linux System Roles 

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On Red Hat Enterprise Linux 8, 9 ,10, ensure that the Appstream repository is enabled:

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subscription-manager repos --enable=rhel-9-for-x86_64-appstream-rpms

subscription-manager repos --enable=rhel-10-for-x86_64-appstream-rpms

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