Updated L102 of site.html

+ Changed target URL to https://opensource.google/projects/go with reference to issue #47652
+ Changes footer occurrence in homepage.

Author: code-reaper08

_content/lib/godoc/site.html

@@ -99,7 +99,7 @@ <h2>
       <li class="Footer-link"><a href="http://www.google.com/intl/en/policies/privacy/">Privacy Policy</a></li>
       <li class="Footer-link"><a href="http://golang.org/issues/new?title=x/website:" target="_blank" rel="noopener">Report a website issue</a></li>
     </ul>
-    <a class="Footer-supportedBy" href="https://google.com">Supported by Google</a>
+    <a class="Footer-supportedBy" href="https://opensource.google/projects/go">Supported by Google</a>
   </div>
 </footer>
 {{if .GoogleAnalytics}}