docs: def up_by_files(to_sync, remote_dir=DEFAULT_REMOTE_DIR, remote_files=None):
      """Sync a given list of local files to `remote_dir` dir"""
      if remote_files is None:
          remote_files = command.map_files_raw(remote_dir=remote_dir)
      for local_file in to_sync:
          _sync_local_file(local_file, remote_dir, remote_files)