add_bids_subject: Use BIDS structure
In muschellij2/bids: Helper for Brain Imaging Data Structure

Creates necessary sub-folders of a path for a BIDS structure

1 2	add_bids_subject(path, participant_label, session_label = "01", data_type = c("anat", "func", "dwi", "fmap"), recursive = TRUE)

`path`	Directory to put the BIDS data structure folders
`participant_label`	label/identifiers for participants. The folders will be prefixed with `sub-`.
`session_label`	label/identifiers for sessions. The folders will be prefixed with `ses-`.
`data_type`	Type of data that will be added.
`recursive`	Should the `path` be created recursively if not available