Feature/contest schema

[nickbar01234]

Issue

See #76

Overview

• Use zod schema for /:username/contest route
• Note that error handling is barebone currently. We return whatever is thrown by zod validation
• The diff is a bit larger due to prettier reformatting the code. If preferred, I can revert the diff added by prettier.

Testing

• Failed parsing

http://localhost:3000/numb3r5/contest

[
    {
        "code": "invalid_type",
        "expected": "string",
        "received": "undefined",
        "path": [
            "userContestRanking",
            "badge",
            "icon"
        ],
        "message": "Required"
    }
]

• Success parsing

http://localhost:3000/numb3r5/contest

{
    "contestAttend": 100,
    "contestRating": 3589.337,
    "contestGlobalRanking": 6,
    "totalParticipants": 791535,
    "contestTopPercentage": 0.01,
    "contestBadges": {
        "name": "Guardian"
    },
    "contestParticipation": [
        {
            "attended": true,
            "rating": 1717.921,
            "ranking": 377,
            "trendDirection": "UP",
            "problemsSolved": 4,
            "totalProblems": 4,
            "finishTimeInSeconds": 7012,
            "contest": {
                "title": "Biweekly Contest 52",
                "startTime": 1621089000
            }
        },
       ...
}

[nickbar01234]

As a followup @alfaarghya, may be we can consider

1. Husky for consistent formatting
2. Running tests on CI/CD. I notice that tests for /calendar is failing on develop already