[Enhancement] Add docstring with description, params, and return #170
Description
🛠 Issue: Add docstring with description, params, and return
📌 Description
Add docstring with description, params, and return on every function on : src\quiz\services\quiz-validation.service.ts
Use the next template:
/*
- Brief description: explains what the function does.
- @param {Type} param1 - Explanation of the first parameter (If needed).
- @param {Type} param2 - Explanation of the second parameter (If needed).
- @returns {Promise} What the function returns, with description of the resolved value or rejection reason.
- @throws {Error} (Optional) Description of possible thrown errors.
*/