".gif" => "image/gif",
  ".jpg" => "image/jpeg",
  ".png" => "image/png",
  ".svg" => "image/svg+xml",
  ".webp" => "image/webp",
  ".avif" => "image/avif",
  ".jxl" => "image/jxl",
  ".bmp" => "image/bmp",
  ".mp3" => "audio/mpeg",
  ".ogg" => "audio/ogg",
  ".flac" => "audio/flac",
  ".m4a" => "audio/mp4",
  ".wav" => "audio/x-wav",
  ".mp4" => "video/mp4",
  ".ogv" => "video/ogg",
  ".webm" => "video/webm",
  ".pdf" => "application/pdf",
  ".txt" => "text/plain; charset=utf-8",
  ".m4a" => "audio/x-m4a",
  ".mp4" => "video/x-m4v",