Bug#935723: ITP: golang-github-xtaci-tcpraw -- Sending packets through TCP

["Roger Shimizu" <rosh@debian.org>]

Package: wnpp
Severity: wishlist
Owner: Roger Shimizu <rosh@debian.org>

* Package name    : golang-github-xtaci-tcpraw
  Version         : 1.2.25-1
  Upstream Author : xtaci
* URL             : https://github.com/xtaci/tcpraw
* License         : ExpatExpatExpatExpat
  Programming Lang: Go
  Description     : Sending packets through TCP

 tcpraw GoDoc (https://godoc.org/github.com/xtaci/tcpraw) Build
 Status (https://travis-ci.org/xtaci/tcpraw) Go Report Card
 (https://goreportcard.com/report/github.com/xtaci/tcpraw) Coverage
 Statusd (https://codecov.io/gh/xtaci/tcpraw) MIT licensed (LICENSE)
 Introduction A packet-oriented connection by simulating TCP protocol
 Features• Tiny• Support IPv4 and IPv6.• Realistic sliding
 window, NAT friendly.• Pure golang without cgo, available on all
 architecture.Documentation For complete documentation, see the associated
 Godoc (https://godoc.org/github.com/xtaci/tcpraw).  Benchmark
 .
 goos: linux goarch: amd64 pkg: github.com/xtaci/tcpraw BenchmarkEcho-2
 20000         93036 ns/op      11.01 MB/s        6200 B/op         62
 allocs/op PASS ok      github.com/xtaci/tcpraw 2.758s

Reasoning to ITP this package:
This is new dependency of package kcptun.