feat: Update Wireguard example to new layout #2381

Job	Run time
Get example directories	10s
Plan examples (patterns/wireguard-with-cilium)	43s
Plan examples (patterns/istio-multi-cluster/0.vpc)	17s
Plan examples (patterns/agones-game-controller)	18s
Plan examples (patterns/blue-green-upgrade/environment)	17s
Plan examples (patterns/sso-okta)	16s
Plan examples (patterns/elastic-fabric-adapter)	11s
Plan examples (patterns/external-secrets)	18s
Plan examples (patterns/karpenter)	16s
Plan examples (patterns/istio)	19s
Plan examples (patterns/istio-multi-cluster/3.istio-multi-primary)	17s
Plan examples (patterns/sso-iam-identity-center)	16s
Plan examples (patterns/fargate-serverless)	13s
Plan examples (patterns/istio-multi-cluster/1.cluster1)	14s
Plan examples (patterns/appmesh-mtls)	19s
Plan examples (patterns/argocd)	16s
Plan examples (patterns/privatelink-access)	17s
Plan examples (patterns/private-public-ingress)	11s
Plan examples (patterns/ipv6-eks-cluster)	11s
Plan examples (patterns/fully-private-cluster)	11s
Plan examples (patterns/tls-with-aws-pca-issuer)	18s
Plan examples (patterns/istio-multi-cluster/2.cluster2)	12s
Plan examples (patterns/blue-green-upgrade/modules/eks_cluster)	11s
Plan examples (patterns/multi-tenancy-with-teams)	17s
Plan examples (patterns/stateful)	10s
	6m 38s

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