The YAML Specification requires three daashes `---` as marker for the
start of a content block. That means, each YAML file needs to start with
`---` on the first line (or after initial comments).
See-also: https://yaml.org/
at present the restore yaml points to a nonexistent vs object
as per the example directory. This commit correct the same.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>