EDU-1951: Addresses reviewer feedback

Author: franrob-projects

README.md

@@ -2,6 +2,7 @@
 
 ![Ably Pub/Sub Ruby Header](images/rubySDK-github.png)
 [![Gem Version](https://img.shields.io/gem/v/ably?style=flat)](https://rubygems.org/gems/ably)
+[![Coverage Status](https://coveralls.io/repos/ably/ably-ruby/badge.svg)](https://coveralls.io/r/ably/ably-ruby)
 [![License](https://badgen.net/github/license/ably/ably-ruby)](https://github.com/ably/ably-ruby/blob/main/LICENSE)
 
 ---

contributing.md

@@ -8,6 +8,8 @@
 6. Push to the branch (`git push origin my-new-feature`)
 7. Create a new Pull Request
 
+---
+
 ## Release process
 
 This library uses [semantic versioning](http://semver.org/). For each release, the following needs to be done: