HPCC-32752 Update Loki4hpcclogs README

[rpastrana]

• Clarifies significance of loki stack deployment name

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[github-actions]

Jira Issue: https://hpccsystems.atlassian.net//browse/HPCC-32752

Jirabot Action Result:
Assigning user: rodrigo.pastrana@lexisnexisrisk.com
Workflow Transition To: Merge Pending
Updated PR

[rpastrana]

@jeclrsg please review.

[jeclrsg]

I added a bit to the ending , trying to connect the significance of the deployment name to the hostname:

Example values file describing logAccess targeting loki stack deployed as 'myloki4hpcclogs' on the default namespace. Note that the "host" entry must reflect the name of the deployed Loki stack, as shown in the excerpt below (eg myloki4hpcclogs-grafana.default.svc.cluster.local):

[rpastrana]

@jeclrsg integrated your suggestion.