Add mask outputs to example

README.md

@@ -56,6 +56,9 @@ center = CenterModality(
     raw_bet_output_path="patient/raw_bet_dir/t1c_bet_raw.nii.gz",
     normalized_skull_output_path="patient/norm_skull_dir/t1c_skull_normalized.nii.gz",
     normalized_bet_output_path="patient/norm_bet_dir/t1c_bet_normalized.nii.gz",
+    # specify output paths for the brain extraction and defacing masks
+    bet_mask_output="patient/masks/t1c_bet_mask.nii.gz",
+    deface_mask_output="patient/masks/t1c_deface_mask.nii.gz",
 )
 
 moving_modalities = [