Make k8s.io/docs/home to support i18n (#12570)

* Make k8s.io/docs/home to support i18n

* Apply kbhawkey's review comment

content/en/docs/contribute/intermediate.md

@@ -3,6 +3,9 @@ title: Intermediate contributing
 slug: intermediate
 content_template: templates/concept
 weight: 20
+card:
+  name: contribute
+  weight: 50
 ---
 
 {{% capture overview %}}

content/en/docs/contribute/localization.md

@@ -5,6 +5,10 @@ approvers:
 - chenopis
 - zacharysarah
 - zparnold
+card:
+  name: contribute
+  weight: 30
+  title: Translating the docs
 ---
 
 {{% capture overview %}}

content/en/docs/contribute/participating.md

@@ -1,6 +1,9 @@
 ---
 title: Participating in SIG Docs
 content_template: templates/concept
+card:
+  name: contribute
+  weight: 40
 ---
 
 {{% capture overview %}}

content/en/docs/contribute/start.md

@@ -3,6 +3,9 @@ title: Start contributing
 slug: start
 content_template: templates/concept
 weight: 10
+card:
+  name: contribute
+  weight: 10
 ---
 
 {{% capture overview %}}

content/en/docs/contribute/style/style-guide.md

@@ -3,6 +3,10 @@ title: Documentation Style Guide
 linktitle: Style guide
 content_template: templates/concept
 weight: 10
+card:
+  name: contribute
+  weight: 20
+  title: Documentation Style Guide
 ---
 
 {{% capture overview %}}