CheckSum -> Checksum
Add some explicit backups metadata doc validation.
Move to using filestorage.FileMetadata and read-only fields for backups metadata.
Add a storage abstraction for backup archives.
Move backups metadata into own package.
backup -> backups.
Add documentation for NewBackupsOrigin.
Accommodate a default version.
Add a DB dumper abstraction for mongo.
Clean up the legacy backup tests.
Test root.tar as well.
Refactor the legacy Backup function to be more suited toward use in a backups API.
Get rid of the legacy Backup function.
Remove dead code.
Move the DB-related code into its own package.
Move the files-related code into its own package.
Add a backup archive abstraction.
Add a backups abstraction.
Add Create() to the backups abstraction.
Add Get() to the backups abstraction.