Add embeded generation to Quiz

[TGyAkos]

This is where you can send, all data in one request to the backend, and it will automatically create and add the requisite records to the database

### Completed Quiz types
- [x] Quiz
- [x] QuizAnswer

### Completed Question types
- [x] Checkbox
- [x] File
- [x] Order
- [x] Pair
- [x] Radio
- [x] Text

#### Completed QuestionAnswer types
- [x] CheckboxAnswer
- [x] FileAnswer
- [x] OrderAnswer
- [x] RadioAnswer
- [x] PairAnswer
- [x] TextAnswer

[TGyAkos]

This has been completed