README.md in cacheflow-0.2.0 vs README.md in cacheflow-0.2.1

@@ -4,15 +4,17 @@
 
 ![Screenshot](https://gist.githubusercontent.com/ankane/64d630db934c5222587794232a690864/raw/880b70fdbd2d11ccc8475f4616397184918852e8/console.png)
 
 Works with the Rails cache, as well as [Dalli](https://github.com/petergoldstein/dalli) and [Redis](https://github.com/redis/redis-rb) clients directly
 
+[![Build Status](https://github.com/ankane/cacheflow/workflows/build/badge.svg?branch=master)](https://github.com/ankane/cacheflow/actions)
+
 ## Installation
 
 Add this line to your application’s Gemfile:
 
 ```ruby
-gem 'cacheflow', group: :development
+gem "cacheflow", group: :development
 ```
 
 When your log level is set to `DEBUG` (Rails default in development), all commands to Memcached and Redis are logged.
 
 ## Features