backend: finish search API

[divyamk]

• [x] Get Product Search
• [x] Put search in LLM and get back questions
• [x] Send questions to frontend
• [x] Include informational blurbs aswell

[jitlis]

when calling pass the query as a parameter. Example url localhost:3000/search/:query

example output of the call:

 {
        "id": 0,
        "question": "Where will you be placing the TV?",
        "questionInfo": "This helps us determine the ideal screen size and type for your viewing environment.",
        "multipleAnswers": false,
        "answers": [
            {
                "text": "Living room",
                "selected": false
            },
            {
                "text": "Bedroom",
                "selected": false
            },
            {
                "text": "Kitchen",
                "selected": false
            },
            {
                "text": "Outdoor",
                "selected": false
            }
        ],
        "other": ""
    },