add vikunja

Signed-off-by: gwg313 <gwg313@pm.me>

apps/vikunja/network-policy.yaml

@@ -0,0 +1,17 @@
+apiVersion: cilium.io/v2
+kind: CiliumNetworkPolicy
+metadata:
+  name: allow-ingress
+  namespace: vikunja
+spec:
+  endpointSelector:
+    matchLabels:
+      app: vikunja
+
+  ingress:
+    - fromEntities:
+        - ingress
+      toPorts:
+        - ports:
+            - port: "3456"
+              protocol: TCP