doc: s3 backend deviations, cloud repo layout
doc: s3 backend deviations, cloud repo layout

middelink/restic,fawick/restic,jayme-github/restic,fawick/restic,ar-jan/restic,kurin/restic,middelink/restic,restic/restic,jayme-github/restic,kurin/restic,restic/restic,ar-jan/restic