blog: add link to discussion

Link to golang-dev discussion added.

Change-Id: Ia1b63d1302fdb6661ad915cf0a63a9bda176f12e
Reviewed-on: https://go-review.googlesource.com/124387
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/content/ismmkeynote.article b/content/ismmkeynote.article
index f1cd74d..8012eef 100644
--- a/content/ismmkeynote.article
+++ b/content/ismmkeynote.article
@@ -12,6 +12,8 @@
 
 Contact: rlh@golang.org
 
+Discussion on the golang dev group [[https://groups.google.com/forum/#!topic/golang-dev/UuDv7W1Hsns][here.]]
+
 ** The Transcript
 
 .image ismmkeynote/image63.png