Make "Versions" string on the navbar translatable.

config.toml

@@ -222,7 +222,7 @@ no = 'Sorry to hear that. Please <a href="https://github.com/USERNAME/REPOSITORY
 	url = "https://discuss.kubernetes.io"
 	icon = "fa fa-envelope"
   desc = "Discussion and help from your fellow users"
-  
+
 [[params.links.user]]
 	name = "Twitter"
 	url = "https://twitter.com/kubernetesio"
@@ -259,7 +259,7 @@ no = 'Sorry to hear that. Please <a href="https://github.com/USERNAME/REPOSITORY
 	url = "https://git.k8s.io/community/contributors/guide"
 	icon = "fas fa-edit"
   desc = "Contribute to the Kubernetes website"
-  
+
 [[params.links.developer]]
 	name = "Stack Overflow"
 	url = "https://stackoverflow.com/questions/tagged/kubernetes"

i18n/en.toml

@@ -210,8 +210,11 @@ other = "Your Kubernetes server must be at or later than version "
 [version_check_tocheck]
 other = "To check the version, enter "
 
+[version_menu]
+other = "Versions"
+
 [warning]
 other = "Warning:"
 
 [whatsnext_heading]
-other = "What's next"
+other = "What's next"

i18n/ja.toml

@@ -58,6 +58,9 @@ other = "このページは役に立ちましたか？"
 [feedback_yes]
 other = "はい"
 
+[input_placeholder_email_address]
+other = "メールアドレス"
+
 [latest_version]
 other = "最新バージョン"
 
@@ -187,11 +190,11 @@ other = "作業するKubernetesサーバーは次のバージョン以降のも
 [version_check_tocheck]
 other = "バージョンを確認するには次のコマンドを実行してください: "
 
-[whatsnext_heading]
-other = "次の項目"
+[version_menu]
+other = "バージョン"
 
 [warning]
 other = "警告:"
 
-[input_placeholder_email_address]
-other = "メールアドレス"
+[whatsnext_heading]
+other = "次の項目"

layouts/partials/navbar-version-selector.html

@@ -0,0 +1,8 @@
+<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+  {{ T "version_menu" }}
+</a>
+<div class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
+	{{ range .Site.Params.versions }}
+	<a class="dropdown-item" href="{{ .url }}">{{ .version }}</a>
+	{{ end }}
+</div>