Update ingress-gateways.mdx (#16330)

* Update ingress-gateways.mdx

Added an example of running the HELM install for the ingress gateways using values.yaml

* Apply suggestions from code review

* Update ingress-gateways.mdx

Adds closing back ticks on example command. The suggesting UI strips them out.

---------

Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>

website/content/docs/k8s/connect/ingress-gateways.mdx

@@ -62,6 +62,12 @@ Ensure you have the latest consul-helm chart and install Consul via helm using t
 [guide](/consul/docs/k8s/installation/install#installing-consul) while being sure to provide the yaml configuration
 as previously discussed.
 
+The following example installs Consul 1.0.4 using the `values.yaml` configuration: 
+
+```shell-session
+$ helm install consul -f values.yaml hashicorp/consul --version 1.0.4 --wait --debug
+```
+
 ## Configuring the gateway
 
 Now that Consul has been installed with ingress gateways enabled,