Move Support topics. (#3108)

* Move Support topics.

* Update stage-documentation-changes.md

* Update stage-documentation-changes.md

_data/docs-home.yml

@@ -1,4 +1,25 @@
 bigheader: "Kubernetes Documentation"
 abstract: "Documentation for using and learning about Kubernetes."
 toc:
-- docs/index.md
+- docs/home/index.md
+
+- docs/home/index.md
+
+- title: Contributing to the Kubernetes Docs
+  section:
+  - editdocs.md
+  - docs/home/contribute/create-pull-request.md
+  - docs/home/contribute/write-new-topic.md
+  - docs/home/contribute/stage-documentation-changes.md
+  - docs/home/contribute/page-templates.md
+  - docs/home/contribute/review-issues.md
+  - docs/home/contribute/style-guide.md
+
+- title: Release Notes
+  path: https://github.com/kubernetes/kubernetes/releases/
+- title: Release Roadmap
+  path: https://github.com/kubernetes/kubernetes/milestones/
+- docs/home/deprecation-policy.md
+- docs/home/security.md
+ 
+