Add example of helm chart for vllm deployment on k8s (#9199)

Signed-off-by: Maxime Fournioux <55544262+mfournioux@users.noreply.github.com>

examples/chart-helm/templates/configmap.yaml

@@ -0,0 +1,11 @@
+{{- if .Values.configs -}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: "{{ .Release.Name }}-configs"
+  namespace: {{ .Release.Namespace }}
+data:
+  {{- with .Values.configs }}
+  {{- toYaml . | nindent 2 }}
+  {{- end }}
+{{- end -}}