Put home page in left nav. (#3157)

* Put home page in left nav.

* Experiment

* Update nav.

* Remove 2 topics from TOC check.

_data/docs-home.yml

@@ -3,6 +3,14 @@ abstract: "Documentation for using and learning about Kubernetes."
 toc:
 - docs/home/index.md
 
+- title: Kubernetes Documentation Home
+  path: index.md
+
+- title: Release Notes
+  path: https://github.com/kubernetes/kubernetes/releases/
+- title: Release Roadmap
+  path: https://github.com/kubernetes/kubernetes/milestones/
+
 - title: Contributing to the Kubernetes Docs
   section:
   - editdocs.md
@@ -12,12 +20,5 @@ toc:
   - 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
  
 

_layouts/docwithnav.html

@@ -24,8 +24,8 @@
     <ul>
       <li><a href="/docs/home/" {% if toc.bigheader == "Kubernetes Documentation" %}class="YAH"{% endif %}>HOME</a></li>
       <li><a href="/docs/user-guide/" {% if toc.bigheader == "Guides" %}class="YAH"{% endif %}>GUIDES</a></li>
-      <li><a href="/docs/tutorials/" {% if toc.bigheader == "Tutorials" %}class="YAH"{% endif %}>TUTORIALS</a></li>
       <li><a href="/docs/tasks/" {% if toc.bigheader == "Tasks" %}class="YAH"{% endif %}>TASKS</a></li>
+      <li><a href="/docs/tutorials/" {% if toc.bigheader == "Tutorials" %}class="YAH"{% endif %}>TUTORIALS</a></li>
       <li><a href="/docs/concepts/" {% if toc.bigheader == "Concepts" %}class="YAH"{% endif %}>CONCEPTS</a></li>
       <li><a href="/docs/reference/" {% if toc.bigheader == "Reference Documentation" %}class="YAH"{% endif %}>REFERENCE</a></li>
       <li><a href="/docs/samples/" {% if toc.bigheader == "Samples" %}class="YAH"{% endif %}>SAMPLES</a></li>

skip_toc_check.txt

@@ -60,4 +60,8 @@ docs/user-guide/federation/namespaces.md
 docs/user-guide/federation/replicasets.md
 docs/user-guide/federation/secrets.md
 
+docs/home/security.md
+docs/home/deprecation-policy.md
+
+
 docs/whatisk8s.md