Add "Nabava.net" app to the showcase.

Summary: Closes https://github.com/facebook/react-native/pull/7486

Differential Revision: D3286537

fbshipit-source-id: 1057fea7baa8f42470239c78834c5af41f1450ac

website/src/react-native/showcase.js

@@ -626,6 +626,13 @@ var apps = [
     link: 'https://itunes.apple.com/it/app/myped/id1064907558?ls=1&mt=8',
     author: 'Impronta Advance',
   },
+  {
+    name: 'Nabava.net',
+    icon: 'http://a1.mzstatic.com/us/r30/Purple18/v4/85/ef/4d/85ef4d52-f752-c059-48c1-baa507d1f936/icon175x175.jpeg',
+    linkAppStore: 'https://itunes.apple.com/bm/app/nabava.net-usporedi-cijene/id1100660049?mt=8',
+    linkPlayStore: 'https://play.google.com/store/apps/details?id=com.nabava_net',
+    author: 'Ars Futura'
+  },
   {
     name: 'Nalathe Kerala',
     icon: 'https://lh3.googleusercontent.com/5N0WYat5WuFbhi5yR2ccdbqmiZ0wbTtKRG9GhT3YK7Z-qRvmykZyAgk0HNElOxD2JOPr=w300-rw',