Added szymonkatra.github.io site to showcase

docs/content/showcase/szymonkatra.md

@@ -0,0 +1,14 @@
+---
+date: 2015-07-10T16:15:00+01:00
+description: Szymon Katra
+license: ""
+licenseLink: ""
+sitelink: http://szymonkatra.github.io/
+sourceLink: https://github.com/SzymonKatra/SzymonKatra.github.io/tree/master/hugo_project
+tags:
+- personal
+- blog
+thumbnail: /img/szymonkatra-tn.png
+title: szymonkatra.github.io
+---
+