->arrayNode('languages')
->prototype('scalar')->end()
->end()
+ ->integerNode('items_on_page')
+ ->defaultValue(12)
+ ->end()
+ ->scalarNode('theme')
+ ->defaultValue('material')
+ ->end()
+ ->scalarNode('language')
+ ->defaultValue('en')
+ ->end()
+ ->integerNode('rss_limit')
+ ->defaultValue(50)
+ ->end()
+ ->integerNode('reading_speed')
+ ->defaultValue(200)
+ ->end()
+ ->scalarNode('version')
+ ->end()
+ ->scalarNode('paypal_url')
+ ->end()
->end()
;