add bigfile (#2720)

* feat: add bigfile project

* feat: add bigfile project

README.md

@@ -644,6 +644,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 *Libraries for handling files and file systems.*
 
 * [afero](https://github.com/spf13/afero) - FileSystem Abstraction System for Go.
+* [bigfile](https://github.com/bigfile/bigfile) - A file transfer system, support to manage files with http api, rpc call and ftp client.
 * [checksum](https://github.com/codingsince1985/checksum) - Compute message digest, like MD5 and SHA256, for large files.
 * [flop](https://github.com/homedepot/flop) - File operations library which aims to mirror feature parity with [GNU cp](https://www.gnu.org/software/coreutils/manual/html_node/cp-invocation.html).
 * [go-csv-tag](https://github.com/artonge/go-csv-tag) - Load csv file using tag.