controller.appprotect.logLevel key is missing from [documentation](https://docs.nginx.com/nginx-ingress-controller/installation/installing-nic/installation-with-helm/#helm-chart-parameters), as shown in the [helm chart's helm values file](https://github.com/nginx/kubernetes-ingress/blob/b90ad21b322079652769c722ea166d810a7b9d24/charts/nginx-ingress/values.yaml#L62) here.