ADD OPTION FOR ENABLING S3 SNAPSHOTS IN RKE2 CONFIG YAML FILE

[patrick-hermann-sva]

/etc/rancher/rke2/config.yaml

example config:

etcd-disable-snapshots: false
etcd-snapshot-schedule-cron: "0 */12 * * *"
etcd-snapshot-retention: "5"
etcd-snapshot-dir: "/var/lib/rancher/rke2/server/db/snapshots"

etcd-s3: true
etcd-s3-endpoint: "s3.us-west-1.amazonaws.com"
etcd-s3-access-key: "AKIAIOSFODNN7EXAMPLE"
etcd-s3-secret-key: "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY"
etcd-s3-bucket: "etcd"
etcd-s3-region: "us-west-1"
etcd-s3-folder: "examplecluster"

s3-backups