add Sky as a user (graphql#172)

* Update index.html.js

* add Sky logo

Author: rportugal

site/users/index.html.js

@@ -251,6 +251,11 @@ var logos = [
     img: 'blenderbottle.png',
     link: 'https://www.blenderbottle.com'
   },
+  {
+    name: 'Sky',
+    img: 'sky.png',
+    link: 'https://www.sky.com/'
+  },
   // Adding your logo?
   // Add it to the /users/logos/ directory and then append an entry above this comment.
   //