Resolve "Add custom network policies"

General MR

Summary

Adding Custom Network policies

Relevant logs/screenshots

Test Override

istio:
  values:
   networkPolicies:
     enabled: true
     additionalPolicies:
     - name: this-is-a-minio-job-test-test
       spec:
         podSelector: {}
         policyTypes:
         - Egress
         egress:
         - to:
           - ipBlock:
             cidr: 172.20.0.0/12

Linked Issue

#145 (closed)

Upgrade Notices

Adding custom network policies at the values-level using:

networkPolicies:
   additionalPolicies: []