Manual: Fix links to homepage. (#31301)

manual/examples/resources/editor.html

@@ -242,7 +242,7 @@ button:focus {
             <button class="button-fullscreen">&nbsp;</button>
         </div>
         <div class="panelogo">
-          <div><a href="/"><span data-subst="textContent|name"></span>&nbsp;</a><a href="/"><img data-subst="src|icon" width="32" height="32"/></a></div>
+          <div><a href="/" target="_blank"><span data-subst="textContent|name"></span>&nbsp;</a><a href="/" target="_blank"><img data-subst="src|icon" width="32" height="32"/></a></div>
         </div>
     </div>
     <div class="panes">