Add link references which were removed with kubernetes#16011

Signed-off-by: David Schneider <[email protected]>

content/en/docs/tasks/debug-application-cluster/audit.md

@@ -496,4 +496,16 @@ plugin which supports full-text search and analytics.
 
 Visit [Auditing with Falco](/docs/tasks/debug-application-cluster/falco) 
 
+[kube-apiserver]: /docs/admin/kube-apiserver
+[auditing-proposal]: https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/auditing.md
+[auditing-api]: https://github.com/kubernetes/kubernetes/blob/{{< param "githubbranch" >}}/staging/src/k8s.io/apiserver/pkg/apis/audit/v1/types.go
+[gce-audit-profile]: https://github.com/kubernetes/kubernetes/blob/{{< param "githubbranch" >}}/cluster/gce/gci/configure-helper.sh#L735
+[kubeconfig]: /docs/tasks/access-application-cluster/configure-access-multiple-clusters/
+[fluentd]: http://www.fluentd.org/
+[fluentd_install_doc]: https://docs.fluentd.org/v1.0/articles/quickstart#step-1:-installing-fluentd
+[fluentd_plugin_management_doc]: https://docs.fluentd.org/v1.0/articles/plugin-management
+[logstash]: https://www.elastic.co/products/logstash
+[logstash_install_doc]: https://www.elastic.co/guide/en/logstash/current/installing-logstash.html
+[kube-aggregator]: /docs/concepts/api-extension/apiserver-aggregation
+
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