Add k8s.dev url to Community page

Author: Oline Case

content/en/community/_index.html

@@ -19,6 +19,7 @@
 
 <div class="community__navbar">
 
+<a href="https://www.kubernetes.dev/">Contributor Community</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <a href="#values">Community Values</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <a href="#conduct">Code of conduct </a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <a href="#videos">Videos</a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;