Add description to configuration

Author: prikha

README.md

@@ -118,6 +118,9 @@ RspecApiDocumentation.configure do |config|
 
   # Change the name of the API on index pages
   config.api_name = "API Documentation"
+  
+  # Change the description of the API on index pages
+  config.api_explanation = "API Description"
 
   # Redefine what method the DSL thinks is the client
   # This is useful if you need to `let` your own client, most likely a model.

example/spec/acceptance_helper.rb

@@ -6,4 +6,5 @@
   config.format = [:json, :combined_text, :html]
   config.curl_host = 'http://localhost:3000'
   config.api_name = "Example App API"
+  config.api_explanation = "API Example Description"
 end

lib/rspec_api_documentation/configuration.rb

@@ -75,6 +75,7 @@ def self.add_setting(name, opts = {})
     add_setting :curl_host, :default => nil
     add_setting :keep_source_order, :default => false
     add_setting :api_name, :default => "API Documentation"
+    add_setting :api_explanation, :default => nil
     add_setting :io_docs_protocol, :default => "http"
     add_setting :request_headers_to_include, :default => nil
     add_setting :response_headers_to_include, :default => nil

spec/configuration_spec.rb

@@ -52,6 +52,7 @@
     its(:curl_host) { should be_nil }
     its(:keep_source_order) { should be_falsey }
     its(:api_name) { should == "API Documentation" }
+    its(:api_explanation) { should be_nil }
     its(:client_method) { should == :client }
     its(:io_docs_protocol) { should == "http" }
     its(:request_headers_to_include) { should be_nil }