[release-branch.go1.3] doc: link to release history from /doc/

««« CL 107950043 / 593f58ee96da
doc: link to release history from /doc/

Fixes #8168.

TBR=bradfitz
R=golang-codereviews
CC=golang-codereviews
https://golang.org/cl/107950043
»»»

LGTM=r
R=golang-codereviews, r
CC=adg, golang-codereviews, iant
https://golang.org/cl/105910043

Author: rsc

doc/docs.html

@@ -97,6 +97,9 @@ <h3 id="go_mem"><a href="/ref/mem">The Go Memory Model</a></h3>
 same variable in a different goroutine.
 </p>
 
+<h3 id="release"><a href="/doc/devel/release.html">Release History</a></h3>
+<p>A summary of the changes between Go releases.</p>
+
 
 <h2 id="articles">Articles</h2>