Add a showcase of Kangkona

docs/content/showcase/kangkona.md

@@ -0,0 +1,14 @@
+---
+date: 2015-06-04T12:51:00Z
+description: Grey Times
+license: Apache License
+licenseLink: "http://www.apache.org/licenses/LICENSE-2.0"
+sitelink: http://kangkona.tk
+sourceLink: https://github.com/kangkona/kangkona.github.com
+tags:
+- personal
+- blog
+- foundation
+thumbnail: /img/kangkona-tn.png
+title: Grey Times
+---