최대 올리기 용량. 파일당 100 MB. List of allowed file extensions jpg, jpeg, gif, png, ico, mp3, ogg, wav, webm, ogv, mp4, vtt, tgz, tar, gz, bz2, zip, rar, 7z, pdf, ps, rpm, deb, doc, xls, ppt, rtf, docx, xlsx, pptx, sxw, sxc, sxi, sxd, odc, odf, odg, odi, odp, ods, odt