SFTP transport configuration

## JSON

"Sftp": {
  "host"      : "ftp.domain.com",
  "port"      : 22,
  "login"     : "login",
  "password"  : "password",
  "folder"    : "/folder"
},

## General

## Options host (mandatory) = sftp host without schema ("ftp://") port = sftp port (default: 22) login (mandatory) = sftp login (mandatory if not anonymous) password (mandatory)= sftp password (mandatory if not anonymous) folder = the folder you want to put the backup in. If not set, the backup will be put in the ftp root