Add documentation

Author: vovanmozg

README.md

@@ -55,6 +55,14 @@ You can now edit them to adjust to your needs.
 
 > Note: By default, the config environment will match the Rails environment (`Rails.env`). This can be changed by setting `config.environment`.
 
+You can also define your own settings files and load them in the initializer:
+
+```ruby
+Config.setup do |config|
+  config.load_and_set_settings("/path/to/yaml1", "/path/to/yaml2", ...)
+end
+```
+
 ### Installing on Padrino
 
 Add the gem to your `Gemfile` and run `bundle install` to install it. Then edit `app.rb` and register `Config`

spec/config_spec.rb

@@ -192,7 +192,6 @@
   end
 
 
-
   context "Nested Settings" do
     let(:config) do
       Config.load_files("#{fixture_path}/development.yml")