Add swagger documentation for withdraw

[github-actions]

https://api.github.com/bankforall/api/blob/5256080e255eeae34cda06f190d877d5161e45ec/routes/transaction.route.js#L13

const router = require("express").Router();
const transactionController = require("../controllers/transaction.controller");

const passport = require("passport");

// TODO: Add swagger documentation for deposit
router.post(
  "/deposit",
  passport.authenticate("jwt", { session: false }),
  transactionController.deposit
);

// TODO: Add swagger documentation for withdraw
router.post(
  "/withdraw",
  passport.authenticate("jwt", { session: false }),
  transactionController.withdraw
);

module.exports = router;