README.md in drill-sergeant-0.1.3 vs README.md in drill-sergeant-0.1.4

@@ -1,10 +1,10 @@
 # Drill Sergeant
 
 Ruby client for Apache Drill
 
-[![Build Status](https://travis-ci.org/ankane/drill-sergeant.svg?branch=master)](https://travis-ci.org/ankane/drill-sergeant)
+[![Build Status](https://github.com/ankane/drill-sergeant/workflows/build/badge.svg?branch=master)](https://github.com/ankane/drill-sergeant/actions)
 
 ## Installation
 
 First, [install Apache Drill](https://drill.apache.org/docs/installing-drill-on-linux-and-mac-os-x/). For Homebrew, use:
 
@@ -14,11 +14,11 @@
 ```
 
 And add this line to your application’s Gemfile:
 
 ```ruby
-gem 'drill-sergeant'
+gem "drill-sergeant"
 ```
 
 ## How to Use
 
 Create a client
@@ -97,5 +97,14 @@
 
 - [Report bugs](https://github.com/ankane/drill-sergeant/issues)
 - Fix bugs and [submit pull requests](https://github.com/ankane/drill-sergeant/pulls)
 - Write, clarify, or fix documentation
 - Suggest or add new features
+
+To get started with development:
+
+```sh
+git clone https://github.com/ankane/drill-sergeant.git
+cd drill-sergeant
+bundle install
+bundle exec rake test
+```