Add gftrace

gftrace is a tool I created some time ago. It's a Windows API tracing tool for Golang programs that abuses the Golang runtime to perform the tracing and ignores most part of the Golang runtime noise. It's useful for dynamic analysis of obfuscated and/or trojanized Golang samples: 

https://github.com/leandrofroes/gftrace