Reorder language navigation options

Resolves conflicted file in git

Author: NicolaSaunders

design-system-templates/components/header-nav.html.twig

@@ -9,8 +9,8 @@
 		<div class="l-center">
 			<div class="l-cluster">
 				<ul>
-					<li><a href="/zh" hreflang="zh-hans" lang="zh-hans">简体中文首页<span class="visuallyhidden" lang="en"> (Chinese website)</span></a></li>
 					<li><a href="/ja" hreflang="ja" lang="ja">日本語ホームページ<span class="visuallyhidden" lang="en"> (Japanese website)</span></a></li>
+                    <li><a href="/zh" hreflang="zh-hans" lang="zh-hans">简体中文首页<span class="visuallyhidden" lang="en"> (Chinese website)</span></a></li>
 				</ul>
 			</div>
 		</div>