doc: add Gobs of data article

Originally published on The Go Programming Language Blog, March 24, 2011.

http://blog.golang.org/2011/03/gobs-of-data.html

R=adg
CC=golang-dev
https://golang.org/cl/5834043
diff --git a/doc/docs.html b/doc/docs.html
index 30e237d..12afb7f 100644
--- a/doc/docs.html
+++ b/doc/docs.html
@@ -114,7 +114,7 @@
 <h4>Packages</h4>
 <ul>
 <li><a href="http://blog.golang.org/2011/01/json-and-go.html">JSON and Go</a> - using the <a href="/pkg/encoding/json/">json</a> package.</li>
-<li><a href="http://blog.golang.org/2011/03/gobs-of-data.html">Gobs of data</a> - the design and use of the <a href="/pkg/encoding/gob/">gob</a> package.</li>
+<li><a href="/doc/articles/gobs_of_data.html">Gobs of data</a> - the design and use of the <a href="/pkg/encoding/gob/">gob</a> package.</li>
 <li><a href="/doc/articles/laws_of_reflection.html">The Laws of Reflection</a> - the fundamentals of the <a href="/pkg/reflect/">reflect</a> package.</li>
 <li><a href="http://blog.golang.org/2011/09/go-image-package.html">The Go image package</a> - the fundamentals of the <a href="/pkg/image/">image</a> package.</li>
 <li><a href="/doc/articles/image_draw.html">The Go image/draw package</a> - the fundamentals of the <a href="/pkg/image/draw/">image/draw</a> package.</li>