feat: add aws-secrets-store-csi-driver-provider documentation

cr: https://code.amazon.com/reviews/CR-232836543

Author: ThirdEyeSqueegee

latest/ug/workloads/workloads-add-ons-available-eks.adoc

@@ -98,6 +98,10 @@ You can use any of the following Amazon EKS add-ons.
 |<<add-ons-sriov-network-metrics-exporter>>
 |EC2
 
+|Retrieve secrets from {aws} Secrets Manager and parameters from {aws} Systems Manager Parameter Store and mount them as files in Kubernetes pods.
+|<<add-ons-aws-secrets-store-csi-driver-provider>>
+|EC2, EKS Auto Mode, EKS Hybrid Nodes
+
 
 |===
 
@@ -662,6 +666,26 @@ The SR-IOV Network Metrics Exporter Amazon EKS add-on collects and exposes metri
 
 NOTE: This add-on requires nodes with SR-IOV-capable network interfaces.
 
+[#add-ons-aws-secrets-store-csi-driver-provider]
+=== {aws} Secrets Store CSI Driver provider
+
+The {aws} provider for the Secrets Store CSI Driver is an add-on that enables retrieving secrets from {aws} Secrets Manager and parameters from {aws} Systems Manager Parameter Store and mounting them as files in Kubernetes pods.
+
+[#add-ons-ascp-iam-permissions]
+=== Required IAM permissions
+
+The add-on does not require IAM permissions. However, application pods will require IAM permissions to fetch secrets from {aws} Secrets Manager and parameters from {aws} Systems Manager Parameter Store. After installing the add-on, access must be configured via IAM Roles for Service Accounts (IRSA) or EKS Pod Identity. To use IRSA, please refer to the Secrets Manager https://docs.aws.amazon.com/secretsmanager/latest/userguide/integrating_ascp_irsa.html[IRSA setup documentation]. To use EKS Pod Identity, please refer to the Secrets Manager https://docs.aws.amazon.com/secretsmanager/latest/userguide/ascp-pod-identity-integration.html[Pod Identity setup documentation].
+
+{aws} suggests the `AWSSecretsManagerClientReadOnlyAccess` managed policy.
+
+For more information about the required permissions, see `AWSSecretsManagerClientReadOnlyAccess` in the {aws} Managed Policy Reference.
+
+=== Additional information
+
+For more information, please see the secrets-store-csi-driver-provider-aws https://github.com/aws/secrets-store-csi-driver-provider-aws[GitHub repository].
+
+To learn more about the add-on, please refer to the https://docs.aws.amazon.com/secretsmanager/latest/userguide/ascp-eks-installation.html[{aws} Secrets Manager documentation for the add-on].
+
 [%header,cols="2"]
 |===
 |Property