call back in not defined in addRider func

[Bear-Coding]

take 'callback' as argument
calls 'cb' instead of 'callback'

Battuta/src/queries/postData.js

Lines 19 to 28 in 1f2131b

	const addRider = (rider, callback) => {
	dbConnection.query(
	`INSERT INTO rides (rider_id) VALUES ($1)`,
	[rider_id],
	(err, res) => {
	if (err) return cb(err);
	cb(null, res);
	}
	);
	};