added network policy preventing egress of converge

kubernetes/converge/templates/networkpolicy.yaml

@@ -0,0 +1,14 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: {{.Release.Name}}-converge
+spec:
+  podSelector:
+    matchLabels:
+       app: "converge"
+  policyTypes:
+    - Ingress
+    - Egress
+  ingress:
+    - ports:
+        - port: http