blainsmith: add main.go for Gophercon Go Contributor Workshop

Change-Id: Ie699b3c3e553cd1b0d1e827a3d28be7bee9f5bf6
Reviewed-on: https://go-review.googlesource.com/48830
Reviewed-by: Chris Broadfoot <cbro@golang.org>
Reviewed-by: Kevin Burke <kev@inburke.com>
Run-TryBot: Chris Broadfoot <cbro@golang.org>
1 file changed