go public utils

Lynch 71fa182618 first commit %!s(int64=2) %!d(string=hai) anos
xFile 71fa182618 first commit %!s(int64=2) %!d(string=hai) anos
doc.go 71fa182618 first commit %!s(int64=2) %!d(string=hai) anos
go.mod 71fa182618 first commit %!s(int64=2) %!d(string=hai) anos