Finalise accepted files list

We need a full, accurate list of file types accepted for figures & supplemental files. Must be things we and PMC can actually handle!

Resources:

• Some PMC file types
• List of file types important to the web
• All file types
• Common file types in BioStudies

Preliminary list:

const FileTypes = [
  'application/vnd.openxmlformats-officedocument.wordprocessingml.document', //docx
  'application/rtf',
  'application/msword',
  'application/pdf',
  'application/xml', 
  'application/zip',
  'application/vnd.ms-asf', //wmv
  'application/ogg',
  'application/vnd.oasis.opendocument.text',
  'application/vnd.oasis.opendocument.presentation',
  'application/vnd.oasis.opendocument.spreadsheet',
  'application/vnd.ms-powerpoint',
  'application/vnd.openxmlformats-officedocument.presentationml.presentation',
  'application/vnd.ms-excel',
  'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',

  'audio/midi',
  'audio/ogg',
  'audio/wav',

  'image/png',
  'image/jpeg',
  'image/bmp',
  'image/gif',
  'image/svg+xml',

  'text/csv',
  'text/rtf',

  'video/mpeg',
  'video/ogg',
  'video/quicktime', //mov
  'video/mp4',
  'video/x-flv', //flv
  'video/x-matroska', //mkv
  'video/x-ms-asf', //wmv
  'video/x-msvideo', //avi
]