README.md in impas-client-0.0.1 vs README.md in impas-client-0.0.2

@@ -1,8 +1,22 @@
 # Impas::Client
 
 TODO: Write a gem description
 
+## Synopsys
+
+```ruby
+require 'impas-client'
+client = Impas::Client.new({
+  api_url:"http://local.impas-hideack.sqale.jp/",
+  op_key:"4109b1be1e6a08b9f0b7ef2fa84c3e20"
+})
+
+client.add_group "foobar"  # 集計グループ追加
+client.groups              # 登録中のグループ一覧取得
+
+```
+
 ## Installation
 
 Add this line to your application's Gemfile:
 
     gem 'impas-client'