Update kubernetes.md

Author: mneedham

docs/use-cases/observability/clickstack/example-datasets/kubernetes.md

@@ -19,6 +19,8 @@ import dashboard_kubernetes from '@site/static/images/use-cases/observability/hy
 
 This guide allows you to collect logs and metrics from your Kubernetes system, sending them to **ClickStack** for visualization and analysis. For demo data we use optionally use the ClickStack fork of the official Open Telemetry demo.
 
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 ## Prerequisites {#prerequisites}
 
 This guide requires you to have: