content: add "Go GC: Prioritizing low latency and simplicity" post

Change-Id: Ib4003d5c5edd803e5b508296ea96fa5549da1dd8
Reviewed-on: https://go-review.googlesource.com/14095
Reviewed-by: Rick Hudson <rlh@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
1 file changed