Document how to collect logs for container insights on bottlerocket

[joebowbeer]

These docs need to include instructions for bottlerocket:

https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/Container-Insights-setup-logs-FluentBit.html

https://docs.aws.amazon.com/prescriptive-guidance/latest/implementing-logging-monitoring-cloudwatch/kubernetes-eks-logging.html

References:

aws-samples/amazon-cloudwatch-container-insights#136

https://kubernetes.slack.com/archives/C8SH2GSL9/p1726685513676079 @fincd-aws