add gobgp to networking

Signed-off-by: Peng Xiao <xiaoquwl@gmail.com>

README.md

@@ -645,6 +645,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [ftp](https://github.com/jlaffaye/ftp) - Package ftp implements a FTP client as described in [RFC 959](http://tools.ietf.org/html/rfc959).
 * [go-getter](https://github.com/hashicorp/go-getter) - A Go library for downloading files or directories from various sources using a URL.
 * [go-stun](https://github.com/ccding/go-stun) - A go implementation of the STUN client (RFC 3489 and RFC 5389).
+* [gobgp](https://github.com/osrg/gobgp) - BGP implemented in the Go Programming Language.
 * [golibwireshark](https://github.com/sunwxg/golibwireshark) - Package golibwireshark use libwireshark library to decode pcap file and analyse dissection data.
 * [gopacket](https://github.com/google/gopacket) - A Go library for packet processing with libpcap bindings
 * [gopcap](https://github.com/akrennmair/gopcap) - A Go wrapper for libpcap