anchor.diff:  + `folders_count` ... Total count of all folders
   
   ### Affordances
  -+ `self` ... List of all Folders
  ++ `show` (`self`) ... List of all Folders
  ++ `create` ... Create a new Folder
   
   + Model (application/hal+json)
   
           {
               "_links": {
  -               "self": { "href": "/folders" },        
  +               "self": { "href": "/folders" },
  +               "create": { "href": "/folders" }
               },
               "folders_count": 2,
               "_embedded": {
  
positive.code: + `meta` ... A catch-all attribute to add custom features
  
  ### Affordances
  + `self` ... A single Folder
  
  + Parameters
      + id (required, int) ... Unique folder ID in the form of an integer
  
negative.code:     
          {
              "_links": {
                 "self": { "href": "/folders/1" },
                 "edit": { "href": "/folders/1" }     
              },
              "id": 1,
              "name": "Health",
  