Apply templates to all concepts and tasks to fix double bullets in TOC (#9149)

* Apply concept template to fix double bullet issue.

* Apply concept template

* Apply templates to tasks

content/en/docs/tasks/debug-application-cluster/core-metrics-pipeline.md

@@ -3,13 +3,22 @@ reviewers:
 - fgrzadkowski
 - piosz
 title: Core metrics pipeline
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 Starting from Kubernetes 1.8, resource usage metrics, such as container CPU and memory usage,
 are available in Kubernetes through the Metrics API. These metrics can be either accessed directly
 by user, for example by using `kubectl top` command, or used by a controller in the cluster, e.g.
 Horizontal Pod Autoscaler, to make decisions.
 
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 ## The Metrics API
 
 Through the Metrics API you can get the amount of resource currently used
@@ -42,3 +51,5 @@ Metrics Server registered in the main API server through
 which was introduced in Kubernetes 1.7.
 
 Learn more about the metrics server in [the design doc](https://github.com/kubernetes/community/blob/master/contributors/design-proposals/instrumentation/metrics-server.md).
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