Merge pull request #49583 from Santosh1176/fix-45990

Add a note on enabling PodLevelResources feature gate

Author: k8s-ci-robot

content/en/docs/concepts/configuration/manage-resources-containers.md

@@ -216,6 +216,8 @@ spec:
 
 {{< feature-state feature_gate_name="PodLevelResources" >}}
 
+This feature can be enabled by setting the `PodLevelResources` 
+[feature gate](/docs/reference/command-line-tools-reference/feature-gates).
 The following Pod has an explicit request of 1 CPU and 100 MiB of memory, and an
 explicit limit of 1 CPU and 200 MiB of memory. The `pod-resources-demo-ctr-1`
 container has explicit requests and limits set. However, the