{
    "archive":          [ ".zip", ".tbz2", ".tar.gz", ".tbz", ".tar.bz2", ".tgz", ".tar", ".txz", ".tar.xz" ],
    "document":         [ ".docx", ".doc" ],
    "image":            [ ".jpg", ".tif", ".jpeg", ".gif", ".bmp", ".png", ".tiff" ],
    "pdf":              [ ".pdf" ],
    "presentation":     [ ".ppt", ".pptx" ],
    "markup":           [ ".html", ".htm" ],
    "source code":      [ ".c", ".py", ".cpp", ".js", ".m", ".json", ".java", ".php", ".css" ],
    "spredsheet":       [ ".xls", ".xlsx" ],
    "tabular data":     [ ".csv.gz", ".csv" ],
    "text":             [ ".txt" ],
    "video":            [ ".mpeg", ".mpg", ".mov", ".mp4", ".m4v", ".MTS" ],
    "qa":               [ ".qa.png", ".qa.json" ],
    "bval":             [ ".bval", ".bvals" ],
    "bvec":             [ ".bvec", ".bvecs" ],
    "dicom":            [ ".dcm", '.dcm.zip', '.dicom.zip' ],
    "gephysio":         [ ".gephysio.zip" ],
    "nifti":            [ ".nii.gz", ".nii" ],
    "pfile":            [ ".7.gz", ".7" ]
}

Add json file declaring file types by extension.
Add json file declaring file types by extension.

This file will be pulled in from apps/gears for file typing during
metadata generation.
