anchor.diff:  + `show` (`self`) ... API entry point
   + `folders` ... Lists all folders 
   
  -## Retrieve the API Root [GET]
  +### Retrieve the API Root [GET]
   
   + Response 200 (application/hal+json)
   
  
positive.code:     
      [Folder][]
  
  ## Delete a Folder [DELETE]
  
  + Response 204
  
  # Folder Collection [/folders]
  Collections of all folders.
  
  ### Attributes
  
negative.code:             "meta": "NULL"
          }
              
  ### Retrieve a single Folder [GET]
  
  + Response 200
  
  