add(docs): link to metrics tutorial in note

Author: Bibas

observability/cockpit/how-to/send-log-from-k8s-to-cockpit.mdx

@@ -87,6 +87,7 @@ alloy-logs:
 
 <Message type="info">
 The template above is only an example to send logs to your Cockpit. You can also send metrics to Cockpit using this Helm chart.
+You can check our guide to [send metrics from your cluster to Cockpit](// ADD LINK TO METRICS TUTO)
 </Message>
 
 ## Send Kubernetes logs to your Cockpit using Helm chart