Updating the info about Myntra

Summary:
Updating the info about Myntra
We've also gotten our Android apps on React Native now. I also gave a talk on our journey and have updated the infoLink for the same.

I currently work for Myntra.
Closes https://github.com/facebook/react-native/pull/12736

Differential Revision: D4659904

Pulled By: hramos

fbshipit-source-id: c2a93d34e56979c05106d378695dbc5345bf9a2c

website/showcase.json

@@ -174,8 +174,9 @@
     "name": "Myntra",
     "icon": "http://a5.mzstatic.com/us/r30/Purple6/v4/9c/78/df/9c78dfa6-0061-1af2-5026-3e1d5a073c94/icon350x350.png",
     "linkAppStore": "https://itunes.apple.com/in/app/myntra-fashion-shopping-app/id907394059",
-    "infoLink": "https://medium.com/myntra-engineering/updating-apps-on-the-fly-aab40c26fac2#.6moo8hnqa",
+    "linkPlayStore": "https://play.google.com/store/apps/details?id=com.myntra.android",
-    "infoTitle": "Updating apps on the fly",
+    "infoLink": "https://www.youtube.com/watch?v=bXKr--rbewo",
+    "infoTitle": "React Native in Production at Scale",
     "pinned": false
   },
   {