Add svc variable serviceType (#10664)

Signed-off-by: Cesar Okuti <cesar.okuti@gmail.com>

stable/rocketchat/Chart.yaml

@@ -1,5 +1,5 @@
 name: rocketchat
-version: 0.2.0
+version: 0.2.1
 appVersion: 0.73.2
 description: Prepare to take off with the ultimate chat platform, experience the next
   level of team communications

stable/rocketchat/templates/svc.yaml

@@ -8,6 +8,7 @@ metadata:
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
 spec:
+  type: {{ .Values.service.type }}
   ports:
   - name: http
     port: 3000

stable/rocketchat/values.yaml

@@ -106,3 +106,6 @@ ingress:
   #  - secretName: chart-example-tls
   #    hosts:
   #      - chart-example.local
+
+service:
+  type: ClusterIP