OSDOCS-12650: adding back docs to BM IPI postinstall config doc

Author: skopacz1

modules/nw-osp-configuring-external-load-balancer.adoc

@@ -1,7 +1,8 @@
 // Module included in the following assemblies:
 
 // Bare metal
-// * installing/installing_bare_metal_ipi/ipi-install-installation-workflow.adoc
+// * installing/installing_bare_metal/ipi/ipi-install-installation-workflow.adoc
+// * installing/installing_bare_metal/ipi/ipi-install-post-installation-configuration.adoc
 // OpenStack
 // * networking/load-balancing-openstack.adoc
 // Nutanix

modules/nw-osp-services-external-load-balancer.adoc

@@ -1,7 +1,8 @@
 // Module included in the following assemblies:
 
 // Bare metal
-// * installing/installing_bare_metal_ipi/ipi-install-installation-workflow.adoc
+// * installing/installing_bare_metal/ipi/ipi-install-installation-workflow.adoc
+// * installing/installing_bare_metal/ipi/ipi-install-post-installation-configuration.adoc
 // OpenStack
 // * networking/load-balancing-openstack.adoc
 // Nutanix

post_installation_configuration/post-install-bare-metal-configuration.adoc

@@ -8,6 +8,12 @@ toc::[]
 
 When deploying {product-title} on bare-metal hosts, there are times when you need to make changes to the host either before or after provisioning. This can include inspecting the host's hardware, firmware, and firmware details. It can also include formatting disks or changing modifiable firmware settings.
 
+// Services for a user-managed load balancer
+include::modules/nw-osp-services-external-load-balancer.adoc[leveloffset=+1]
+
+// Configuring a user-managed load balancer
+include::modules/nw-osp-configuring-external-load-balancer.adoc[leveloffset=+2]
+
 // About the Bare Metal Operator
 include::modules/bmo-about-the-bare-metal-operator.adoc[leveloffset=+1]