validator

var (
	// ErrInvalidUsernameFormat gives error message when user attempts to join a lobby when is already in lobby
	ErrInvalidUsernameFormat = errors.New("username is not valid (example valid: 2 < length < 20 and must be A-z 0-9 - _)")

	// ErrNotValidEmail gives error message when user provides non-valid email
	ErrNotValidEmail = errors.New("email provided is not valid")
)