Refactor unstructured codebase and integrate linting checks

[YashKumarVerma]

Since the judege-taskmaster and ** judge-api** codebases are used in production applications, the code needs to follow particular standards and guidelines, which can greatly increase its maintainability as a community project.

Therefore linters should be set as would be done under coding-blocks/judge-taskmaster#41 up to force standard code guidelines on the repository.

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Working on it, would send PR as soon as the issue acknowledged.

[jatinkatyal13]

Linters sure are required tooling for production projects to maintain consistency.

Following will be your TODOs

• Setup TS Lint (Refer this and this)
• Setup Prettier
• Add linting script in package.json
  • lint script
  • lint:fix script

[YashKumarVerma]

cool, working on it !