Extensões de arquivos permitidas: .gif, .jpg, .jpeg, .png, .webp, .bmp, .pdf, .txt, .rtf, .doc, .docx, .xls, .xlsx, .ppt, .pptx, .odt, .ods, .odp, .zip, .rar, .7z, .tar, .gz, .bz2, .log, .sql, .json, .xml, .yaml, .yml, .conf, .cer, .crt, .pem, .csr