docs/news.html: add 2010.11 announce link

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

docs/news.html

@@ -10,7 +10,8 @@
     <p>The stable 2010.11 release is out - Thanks to everyone
     contributing and testing the release candidates. See the
     <a href="http://git.buildroot.net/buildroot/plain/CHANGES?id=2010.11">CHANGES</a>
-    file for more details,
+    file for more details, read the
+    <a href="http://lists.busybox.net/pipermail/buildroot/2010-November/039135.html">announcement</a>
     and go to the <a href="/downloads/">downloads page</a> to pick up the
     <a href="/downloads/buildroot-2010.11.tar.bz2">2010.11 release</a>.</p>