More translation work.

- Add a language selection menu selection in the gear menu.

- Fix the Blog link in the top nav to use the proper trsanslated term and target page.

layouts/feed/single.rss.xml

@@ -13,7 +13,7 @@
       <link>{{ $home }}</link>
     </image>
 
-    {{ $pages := (where .Site.AllPages "Section" "blog").ByPublishDate }}
+    {{ $pages := (where .Site.Pages "Section" "blog").ByPublishDate }}
 
     {{ range $post := $pages }}
       {{ if and (not $post.Draft) $post.IsPage }}

layouts/partials/header.html

@@ -1,4 +1,4 @@
-{{ $posts := (where .Site.AllPages "Section" "blog").ByPublishDate.Reverse }}
+{{ $posts := (where .Site.Pages "Section" "blog").ByPublishDate.Reverse }}
 {{ $latest_post := index $posts 0 }}
 {{ $version := .Site.Data.args.version }}
 
@@ -6,7 +6,9 @@
 
 <header>
     <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark justify-content-between">
-        <a class="navbar-brand" href="/">
+        {{ $home := .Site.GetPage "home" }}
+
+        <a class="navbar-brand" href="{{ $home.Permalink }}">
             <span class="logo">{{ partial "icons/istio-logo-blue-background-round.svg" }}</span>
 
             {{ if .Site.Data.args.archive }}
@@ -64,6 +66,11 @@
 
                         <div class="dropdown-divider"></div>
 
+                        <a href="/" class="dropdown-item {{ if eq $home.Lang "en" }}active{{ end }}">English</a>
+                        <a href="/cn" class="dropdown-item {{ if eq $home.Lang "cn" }}active{{ end }}">中文</a>
+
+                        <div class="dropdown-divider"></div>
+
                         <a class="dropdown-item" id="light-theme-item" href="" onclick="setActiveStyleSheet('light');return false;">{{ i18n "light_theme" }}</a>
                         <a class="dropdown-item" id="dark-theme-item" href="" onclick="setActiveStyleSheet('dark');return false;">{{ i18n "dark_theme" }}</a>
 

layouts/partials/sidebar-multicard.html

@@ -3,7 +3,7 @@
     <div class="directory" role="tablist">
         {{ $section := .Site.GetPage "section" .Section }}
 
-        {{ $pages := (where .Site.AllPages "Section" .Section).ByWeight }}
+        {{ $pages := (where .Site.Pages "Section" .Section).ByWeight }}
         {{ $current := . }}
 
         {{ range $count, $page := $pages }}

layouts/partials/sidebar-singlecard.html

@@ -10,7 +10,7 @@
                 </div>
             </div>
 
-            {{ $pages := (where .Site.AllPages "Section" .Section).ByWeight }}
+            {{ $pages := (where .Site.Pages "Section" .Section).ByWeight }}
 
             <div role="tabpanel" aria-labelledby="header0">
                 <div class="card-body">

layouts/section-index/list.html

@@ -5,7 +5,7 @@
 <p>{{ .Description }}</p>
 
 <div class="section-index">
-    {{ $pages := (where .Site.AllPages "Section" .Section).ByWeight }}
+    {{ $pages := (where .Site.Pages "Section" .Section).ByWeight }}
     {{ partial "section-index-level.html" (dict "pages" $pages "parent" . ) }}
 </div>