content: link gophercon open source video
content: link gophercon open source video

Change-Id: Ib39578e45cf1905f5d16e2a1270b8c4889dcba34
Reviewed-on: https://go-review.googlesource.com/12815
Reviewed-by: Andrew Gerrand <395a7d33bec8475c9b83b7d440f141bcbd994aa5@golang.org>

gorakhargosh/blog,gorakhargosh/blog,jeffreyliguori/blog