Add TB1TFL handing #835
Description
Use caseof @jbpoline at BIC: https://bids-specification.readthedocs.io/en/stable/glossary.html#tb1tfl-suffixes TBL1TFL produces two maps.
The first image appears like an anatomical image and the second output is a scaled flip angle map.
should be may be _acq-{anat,sfam} and https://bids-specification.readthedocs.io/en/stable/modality-specific-files/magnetic-resonance-imaging-data.html#tb1tfl-and-tb1rfm-specific-notes says _acq-{anat,famp}?
relates somewhat to