[Trivia] Add support for multiple choice

# Feature request

#### Select the type of feature you are requesting:

- [ ] Cog
- [ ] Command
- [x] API functionality

#### Describe your requested feature

Questions offering several answer options [A] [B] [C] [D] and false 👍 or true 👎
I upload sample images

 

And an example of how I imagine adding questions to .yaml files
```
questions:
- question: Panic! At The Disco has currently released how many studio albums?
correct_answer: '6'
incorrect_answers:
- '7'
- '5'
- '2'
- question: Vic Fuentes is the lead singer of Pierce The Veil.
correct_answer: 'True'
incorrect_answers:
- 'False'
```

Sorry for my bad English! I hope you understood me :)