finish docstring of init_sdc_wf
finish docstring of init_sdc_wf

poldracklab/preprocessing-workflow,oesteban/preprocessing-workflow,poldracklab/fmriprep,oesteban/fmriprep,oesteban/fmriprep,poldracklab/fmriprep,oesteban/fmriprep,poldracklab/preprocessing-workflow,oesteban/preprocessing-workflow,poldracklab/fmriprep