add consul k8s install instructions

website/content/docs/api-gateway/install.mdx

@@ -47,12 +47,38 @@ $ kubectl apply --kustomize="github.com/hashicorp/consul-api-gateway/config/crd?
 
 </CodeBlockConfig>
 
-1. Install Consul API Gateway using the standard Consul Helm chart and specify the custom values file. Available versions of the [Consul Helm chart](https://github.com/hashicorp/consul-k8s/releases) can be found in GitHub releases.
+1. Install Consul API Gateway using the standard Consul Helm chart or Consul K8s CLI specify the custom values file. Available versions of the [Consul Helm chart](https://github.com/hashicorp/consul-k8s/releases) can be found in GitHub releases.
+
+
+## Install {.tabset}
+
+### Helm
+
+  ```shell-session
+$ helm repo add hashicorp https://helm.releases.hashicorp.com
+```
 
 ```shell-session
 $ helm install consul hashicorp/consul --version 0.45.0 --values values.yaml --create-namespace --namespace consul
  ```
 
+### Consul K8s CLI (Mac Only)
+
+Note: You can review the official [Consul K8S CLI documentation](https://www.consul.io/docs/k8s/k8s-cli) to learn more about additional settings.
+
+```shell-session
+$ brew tap hashicorp/tap
+```
+
+```shell-session
+$ brew install hashicorp/tap/consul-k8s
+```
+
+```shell-session
+$ consul-k8s install -config-file=values.yaml -set global.image=hashicorp/consul:1.12.2
+```
+## {-}
+
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