README.md in gist_updater-0.1.0 vs README.md in gist_updater-0.2.0

@@ -1,7 +1,17 @@
 # GistUpdater
 
+[![Build Status](https://img.shields.io/circleci/project/masutaka/gist_updater/master.svg?maxAge=2592000?style=flat-square)][circleci]
+[![License](https://img.shields.io/github/license/masutaka/gist_updater.svg?maxAge=2592000?style=flat-square)][license]
+[![Gem](https://img.shields.io/gem/v/gist_updater.svg?maxAge=2592000?style=flat-square)][gem-link]
+
+[circleci]: https://circleci.com/gh/masutaka/gist_updater
+[license]: https://github.com/masutaka/gist_updater/blob/master/LICENSE.txt
+[gem-link]: http://badge.fury.io/rb/gist_updater
+
+## Description
+
 Updates your Gist files which are defined in YAML
 
 ## Installation
 
 Add this line to your application's Gemfile:
@@ -18,10 +28,12 @@
 
     $ gem install gist_updater
 
 ## Usage
 
+### CLI
+
 ```
 gist_updater commands:
   gist_updater help [COMMAND]  # Describe available commands or one specific command
   gist_updater update          # Update your Gist files (default)
   gist_updater version         # Display version
@@ -32,12 +44,26 @@
   u, [--user=USER]            # GitHub username
   t, [--token=TOKEN]          # GitHub personal access token
   d, [--debug], [--no-debug]  # Debug mode
 ```
 
-### YAML format
+### Script
 
+```ruby
+require 'gist_updater'
+
+GistUpdater::Updater.new(
+  yaml:   <User definition YAML file>,
+  user:   <GitHub usename>,               # or $GISTUPDATER_USER
+  token:  <GitHub personal access token>, # or $GISTUPDATER_ACCESS_TOKEN
+  debug:  <true or false>
+).update
+#=> update count
+```
+
+## YAML format
+
 ```yaml
 -
   - <gist_id1>
   - <path to file1>
 -
@@ -64,10 +90,10 @@
 
 To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
 
 ## Contributing
 
-Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/gist_updater. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
+Bug reports and pull requests are welcome on GitHub at https://github.com/masutaka/gist_updater. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the [Contributor Covenant](http://contributor-covenant.org) code of conduct.
 
 
 ## License
 
 The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).