Add example

examples/prebuilt/main.tf

@@ -45,6 +45,10 @@ module "runners" {
   ami_filter       = { name = [var.ami_name_filter] }
   ami_owners       = [data.aws_caller_identity.current.account_id]
 
+  # Look up runner AMI ID from an AWS SSM parameter (overrides ami_filter at instance launch time)
+  # NOTE: the parameter must be managed outside of this module (e.g. in a runner AMI build workflow)
+  # ami_id_ssm_parameter_name = "my-runner-ami-id"
+
   # disable binary syncer since github agent is already installed in the AMI.
   enable_runner_binaries_syncer = false