Added comment to shards config

    {{- if $solr.enabled }}

    <value>{{ include "esgf.component.fullname" (list $ "solr" .name) }}:8983/solr</value>

    {{- else }}

    <value>{{ .masterUrl | required "Replica masterUrl is required" }}</value>

    <value>{{ .masterUrl | required "Replica masterUrl is required" }}</value> {{- if .name }} <!-- {{ .name }} -->{{- end }}

    {{- end }}

    {{- end }}

</shards>