Merge pull request #447 from ably/Updates/fixes-links

Updates getting started link

Author: ttypic

README.md

@@ -22,7 +22,7 @@ Find out more:
 
 Everything you need to get started with Ably:
 
-* [Quickstart in Pub/Sub using Ruby.](https://ably.com/docs/getting-started/quickstart?lang=ruby)
+* [Getting started with Pub/Sub using Ruby.](https://ably.com/docs/getting-started/ruby)
 * [SDK Setup for Ruby.](https://ably.com/docs/getting-started/setup?lang=ruby)
 
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