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Fix url from http to https

Co-Authored-By: TDSkyz <[email protected]>

topics/backbonejs/index.md

@@ -6,7 +6,7 @@ logo: backbonejs.png
 released: April 5, 2016
 short_description: Backbone.js is a JavaScript library for building modern web apps and services.
 topic: backbonejs
-url: http://backbonejs.org/
+url: https://backbonejs.org/
 wikipedia_url: https://en.wikipedia.org/wiki/Backbone.js
 ---
 Backbone supplies structure to JavaScript-heavy applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing application over a RESTful JSON interface.