anchor.diff:  
   ## Single objects
   
  +### UserWithoutId
  ++ email: `test@mail.com` (string, required) - email of the user
  ++ name: `Foo Bar` (string, required) - name of the user
  ++ password: `password` (string, required) - encrypted password
  +
  +### User (UserWithoutId)
  ++ id: `12345678-9012-3456-7890-123456789012` (string, required) - user's id
  +
   ### DeckWithoutId (object)
   + name: `Sample name` (string, required) - name attribute for Deck
   
  
positive.code: 
  + Response 200
  
  # Group Tip
  
  ## Tips [/decks/{deckId}/flashcards/{flashcardId}/tips]
  
negative.code: + public: `true` (boolean, required) - status of Deck access rights
  
  ### FlashcardWithoutId (object)
  + question: `Sample question` (string, required) - question attribute for Flashcard
  + answer: `Sample answer` (string, required) - answer attribute for Flashcard
  
  ### Flashcard (FlashcardWithoutId)
  + id: `12345678-9012-3456-7890-123456789012` (string, required) - Flashcard UUID, 36 chars, 8-4-4-4-12 chars
  