OSDOCS-11977: create optional RPMs install title MicroShift

microshift_install_rpm_opt/_attributes

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+../_attributes/

microshift_install_rpm_opt/images

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+../images/

microshift_install_rpm_opt/microshift-install-optional-rpms.adoc

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+:_mod-docs-content-type: ASSEMBLY
+[id="microshift-install-optional-rpms"]
+= Installing optional RPM packages
+include::_attributes/attributes-microshift.adoc[]
+:context: microshift-install-optional-rpm
+
+toc::[]
+
+You can install optional RPM packages with {microshift-short} to provide additional cluster and application services.
+
+[id="microshift-install-rpm-add-ons"]
+== Installing optional packages
+
+When you install {microshift-short}, optional RPM packages can be added. Examples of optional RPMs include those designed to expand your network, add and manage operators, and manage applications. Use the following procedures to add the packages that you need.
+
+include::modules/microshift-install-rpms-olm.adoc[leveloffset=+2]
+
+//additional resources for installing OLM
+[role="_additional-resources"]
+.Additional resources
+* xref:../microshift_running_apps/microshift_operators/microshift-operators-olm.adoc#microshift-operators-olm[Using Operator Lifecycle Manager with {microshift-short}]
+
+include::modules/microshift-install-rpms-gitops.adoc[leveloffset=+2]
+
+//additional resources for installing GitOps
+[role="_additional-resources"]
+.Additional resources
+* xref:../microshift_running_apps/microshift-gitops.adoc#microshift-gitops[Automating application management with the GitOps controller]
+
+include::modules/microshift-install-multus-rpm.adoc[leveloffset=+2]
+
+//additional resources for installing Multus
+[role="_additional-resources"]
+.Additional resources
+* xref:../microshift_networking/microshift_multiple_networks/microshift-cni-multus.adoc#microshift-cni-multus[About using multiple networks]
+

microshift_install_rpm_opt/modules

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+../modules/

microshift_install_rpm_opt/snippets

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+../snippets/