# types for document

application/pdf
text/html
text/plain
application/msword
application/vnd.openxmlformats-officedocument.wordprocessingml.document
application/vnd.ms-excel
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
application/vnd.ms-powerpoint
application/vnd.openxmlformats-officedocument.presentationml.presentation
application/postscript
application/x-latex
image/jpeg
image/png
image/gif
image/bmp
image/tiff
audio/mpeg
audio/x-wav
video/mpeg
video/quicktime
video/x-msvideo
application/zip
application/x-gzip
other