Adds Istio custom authorization policies template to work with Istio hardening configurations

General MR

Summary

Adds Istio auth policies template to make bbctl work with Istio hardening

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chart/templates/bigbang/istio/authorizationPolicies/template.yaml

+{{- /* Render Istio Auth policies */ -}}
+{{- if and $.Values.istio.enabled $.Values.istio.hardened.enabled -}}
+{{- range $.Values.istio.hardened.customAuthorizationPolicies -}}
+{{- if .enabled -}}
+apiVersion: security.istio.io/v1
+kind: AuthorizationPolicy
+metadata:
+  name: {{ .name }}
+  namespace: {{ $.Release.Namespace }}
+
+spec:
+  {{- toYaml .spec | nindent 2 }}
+---
+{{ end -}}
+{{ end -}}
+{{- end -}}