be able to add containers to Kiali pod

part of: kiali/kiali#5028
operator PR: kiali/kiali-operator#524

Author: jmazzitelli

kiali-server/templates/deployment.yaml

@@ -127,6 +127,9 @@ spec:
         resources:
         {{- toYaml .Values.deployment.resources | nindent 10 }}
         {{- end }}
+      {{- if .Values.deployment.additional_pod_containers_yaml }}
+      {{- toYaml .Values.deployment.additional_pod_containers_yaml | nindent 6 }}
+      {{- end }}
       volumes:
       - name: {{ include "kiali-server.fullname" . }}-configuration
         configMap:

kiali-server/values.yaml

@@ -30,6 +30,7 @@ deployment:
   # For more control over what the Kial Service Account can see, use the Kiali Operator
   accessible_namespaces:
   - "**"
+  additional_pod_containers_yaml: {}
   additional_service_yaml: {}
   affinity:
     node: {}