Tracking only Firewall Zone API done

config/samples/unifi_v1beta1_firewallrule.yaml

@@ -0,0 +1,9 @@
+apiVersion: unifi.engen.priv.no/v1beta1
+kind: FirewallRule
+metadata:
+  labels:
+    app.kubernetes.io/name: unifi-network-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: firewallrule-sample
+spec:
+  # TODO(user): Add fields here