POST endpoint for api/quiz-results

[TITHI1244]

Description

Created the POST endpoint for api/quiz-results and that takes answer id and user id as parameters.

Fixes #34

How to test?

First run npm run dev. Then go to Swagger ui (http://localhost:3000/api/documentation/#/quiz_results/post_quiz_results) and post some data into quiz_results table.

Checklist

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] This PR is ready to be merged and not breaking any other functionality

[Poorooshka]

Hi Tithi! According to what Daniel told me today I guess we need to Edit the name of the PR and remove the word "created" from the beginning.

[Poorooshka]

The POST endpoint for quiz-results table was tested and it works pretty fine. Very good job!