wip: merge old serit-platfrom into manifests

policies/sys/cert-manager/CiliumNetworkPolicy-allow-world-traffic.yaml

@@ -0,0 +1,12 @@
+apiVersion: cilium.io/v2
+kind: CiliumNetworkPolicy
+metadata:
+  name: allow-world-traffic
+  namespace: cert-manager
+spec:
+  description: Allow the world to communicate with cert-manager
+  egress:
+    - toEntities:
+        - world
+  endpointSelector:
+    matchLabels: {}