[UI/Logic] Show final score

[Nefariusek]

As a user, I want to see my score on the Score page, so I can upload it to the ranking.

Acceptance criteria

Verify, consult and update before starting.

• User Score/Total Score is shown when the quiz is finished.
• Score can be correctly saved.
• Custom message is shown based on the final score (eg. if score 80-100% of total score message is "WOW! True animal lover").

Additional notes

• As an input, an array with Answer objects will be given.