Adding YAML codeblock formatting to huge pages example

Author: aireilly

modules/cnf-best-practices-hugepages.adoc

@@ -7,24 +7,17 @@ For more information, see
 link:https://docs.openshift.com/container-platform/latest/scalability_and_performance/cnf-low-latency-tuning.html#cnf-configuring-huge-pages_cnf-master[Configuring huge pages].
 
 
-To request hugepages, pods must supply the following within the pod.spec for each container:
-
+To request hugepages, pods must supply the following within the `pod.spec` for each container:
 
+[source,yaml]
+----
 resources:
-
-limits:
-
-hugepages-2Mi: 100Mi
-
-memory: "1Gi"
-
-cpu: "1"
-
-requests:
-
-hugepages-2Mi: 100Mi
-
-memory: "1Gi"
-
-cpu: "1"
-
+  limits:
+    hugepages-2Mi: 100Mi
+    memory: "1Gi"
+    cpu: "1"
+   requests:
+    hugepages-2Mi: 100Mi
+    memory: "1Gi"
+    cpu: "1"
+----