pbnjay: add main.go for Gophercon

Change-Id: I4d22cd9cff4d696348c0c2b99bb1a9935c696c07
Reviewed-on: https://go-review.googlesource.com/48714
Reviewed-by: Chris Broadfoot <cbro@golang.org>
Run-TryBot: Chris Broadfoot <cbro@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
1 file changed