docs: news.html is the new index.html

docs/contents.html

@@ -26,7 +26,7 @@
 <b>Documentation</b>
 <ul>
 <li><a href="intro.html" target="_parent">Introduction</a>
-<li><a href="news.html" target="_parent">News</a>
+<li><a href="index.html" target="_parent">News</a>
 <li><a href="developers.html" target="_parent">Developers</a>
 <li><a href="systems.html" target="_parent">Platforms and Drivers</a>
 <li><a href="license.html" target="_parent">License &amp; Copyright</a>

docs/devinfo.html

@@ -190,7 +190,7 @@ Link the new docs/relnotes-x.y.z.html file into the main <a href="relnotes.html"
 </p>
 
 <p>
-Update <a href="news.html">docs/news.html</a>.
+Update <a href="index.html">docs/index.html</a>.
 </p>
 
 <p>