POST - Create Survey

[nishi7409]

When a survey is submitted, create the model object in the backend.

The response that'd be received from the frontend looks like this:
(can also be viewed here)

{
        "prompt": "This is a test",
        "survey_title": "Test Survey",
        "user": {
            "username": "user",
            "email": null,
            "creation_time": "2021-06-17T01:55:02.146779Z"
        },
        "number_of_answers": 0,
        "creation_time": "2021-06-17T01:59:37.595032Z",
        "questions": [
            {
                "question": "Assign scores to the options",
                "options": [
                    {
                        "name": "Option 1",
                        "text": "A car",
                        "score": null
                    },
                    {
                        "name": "Option 2",
                        "text": "A boat",
                        "score": null
                    }
                ]
            }
        ]
    }