feat(goharbor): Add networkpolicy to project

apps/base/goharbor/kustomization.yaml

@@ -5,3 +5,4 @@ resources:
   - namespace.yaml
   - repository.yaml
   - release.yaml
+  - networkpolicy.yaml

apps/base/goharbor/networkpolicy.yaml

+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-ingress
+spec:
+  podSelector:
+    matchLabels:
+      app: harbor
+  ingress:
+  - from:
+    - namespaceSelector:
+        matchLabels:
+          ingress.shivering-isles.com/network-access-required: "true"