SFTP provider for loopback-component-storage (Loopback 3 framework)

Configuration

loopback-component-storage config example:

sftp: {
    name: `sftp`,
    connector: `loopback-component-storage`,
    provider: `loopback-storage-sftp-provider`,
    root: `/some-remote-folder/`,
    host: `127.0.0.1`,
    port: `22`,
    username: `user`,
    password: `password`
}