Add custom network policies

General MR

Summary

Adding custom network policies

Relevant logs/screenshots

Test override

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

Linked Issue

#143 (closed)

Upgrade Notices

Adding custom network policies at the values-level using:

networkPolicies:
   additionalPolicies: []