ROX-33331: update README to mention operator chart and deprecate legacy charts

README.md

@@ -3,7 +3,7 @@
 # Helm charts for the StackRox Kubernetes Security Platform
 
 This repository contains Helm charts for the [StackRox Kubernetes Security
-Platform](https://www.stackrox.io/) as well as [Red Hat Advanced Cluster Security](https://www.redhat.com/en/technologies/cloud-computing/openshift/advanced-cluster-security-kubernetes) (ACS). StackRox is the Open Source upstream project of ACS. 
+Platform](https://www.stackrox.io/) as well as [Red Hat Advanced Cluster Security](https://www.redhat.com/en/technologies/cloud-computing/openshift/advanced-cluster-security-kubernetes) (ACS). StackRox is the Open Source upstream project of ACS.
 
 
 To use the StackRox charts, add https://raw.githubusercontent.com/stackrox/helm-charts/main/opensource/ as a repository:
@@ -14,33 +14,44 @@ $ helm repo add stackrox https://raw.githubusercontent.com/stackrox/helm-charts/
 Afterwards, you can update, download, and install the available charts. For example:
 
 - Use the `helm repo update` command to get the latest version of the charts.
-- Use the `helm install stackrox/stackrox-central-services` command to install the `central-services` chart.
-- Use the `helm pull stackrox/stackrox-secured-cluster-services` command to download the `secured-cluster-services` chart.
+- Use the `helm install stackrox/stackrox-operator` command to install the `stackrox-operator` chart.
 
 
 ## Installation
 
-For instructions on how to install the StackRox Kubernetes Security Platform with these Helm charts,
-see [Quick Start (Helm)](https://github.com/stackrox/stackrox#quick-installation-via-helm).
-
+For instructions on how to install the StackRox Kubernetes Security Platform using the operator Helm chart,
+see [operator/install](https://github.com/stackrox/stackrox/tree/master/operator/install) in the main repository.
 
 To install ACS, follow the [OpenShift docs Helm quick Install Guide](https://docs.openshift.com/acs/installing/installing_helm/install-helm-quick.html).
 
 ## Included charts
 
 The StackRox Kubernetes Security Platform Helm charts repository includes the following charts:
 
-1. [`central-services`](#central-services-chart)
-2. [`secured-cluster-services`](#secured-cluster-services-chart)
+1. [`stackrox-operator`](#operator-chart) - installs the StackRox operator (available since 4.11)
+2. [`central-services`](#central-services-chart) (deprecated)
+3. [`secured-cluster-services`](#secured-cluster-services-chart) (deprecated)
+
+### Operator chart
+
+The recommended way to install the StackRox Kubernetes Security Platform via Helm is by using the
+`stackrox-operator` chart. This chart installs the StackRox operator, which manages the platform
+components via `Central` and `SecuredCluster` custom resources.
 
-### Central services chart
+### Central services chart (deprecated)
+
+> **Deprecated:** The `stackrox-central-services` chart is deprecated and will cease to be updated
+> after version 5.1. Use the [`stackrox-operator`](#operator-chart) chart instead.
 
 The Helm chart to install StackRox Central is called `stackrox-central-services`.
 
 The installation can be customized to your needs. Please consult the documentation at OpenShift docs for detailed configuration options:  
 [Configure the central-services Helm chart](https://docs.openshift.com/acs/installing/installing_helm/install-helm-customization.html#configure-central-services-helm-chart)
 
-### Secured cluster services chart
+### Secured cluster services chart (deprecated)
+
+> **Deprecated:** The `stackrox-secured-cluster-services` chart is deprecated and will cease to be
+> updated after version 5.1. Use the [`stackrox-operator`](#operator-chart) chart instead.
 
 The chart to install per-cluster and per-node components of StackRox is called `stackrox-secured-cluster-services`.