Use static content for code of conduct (#9355)

Move the code of conduct page under /community
Add redirect
Use text from CNCF COC and note the revision we imported it at
Add note to top of imported file not to edit it directly

content/en/community/code-of-conduct.md

@@ -0,0 +1,28 @@
+---
+title: Community
+layout: basic
+cid: community
+css: /css/community.css
+---
+
+<div class="community_main">
+<h1>Kubernetes Community Code of Conduct</h1>
+
+Kubernetes follows the
+<a href="https://github.com/cncf/foundation/blob/master/code-of-conduct.md">CNCF Code of Conduct</a>.
+The text of the CNCF CoC is replicated below, as of
+<a href="https://github.com/cncf/foundation/blob/0ce4694e5103c0c24ca90c189da81e5408a46632/code-of-conduct.md">commit 0ce4694</a>.
+If you notice that this is out of date, please
+<a href="https://github.com/kubernetes/website/issues/new">file an issue</a>.
+
+If you notice a violation of the Code of Conduct at an event or meeting, in
+Slack, or in another communication mechanism, reach out to the
+<a href="mailto:steering-private@kubernetes.io">steering committee</a>. Your
+anonymity will be protected.
+
+<div class="cncf_coc_container">
+{{< include "/static/cncf-code-of-conduct.md" >}}
+</div>
+</div>
+
+