Add Apiary

Working on redoing this
seems content after the new line is ignored in the example / console view. 

+ Parameters
  + page (optional, integer) ... the index of the page to retrieve default is 1
  + per_page (optional, integer) ... number of items to include on a page default is 20
  + sort (optional, string) ... field to sort by 'random' has special behaviour
  + workflow_id (optional, integer) ... filter to subjects belonging to a specific workflow. Required when sort is 'random'
  + subject_set_id (optional, integer) ... return subjects belonging to the identified subject_set