public function rules(): array 	{ 		return [ 			'name' => ['nullable', 'string', 'max:50'], 			'surname' => ['nullable', 'string', 'max:80'], 			'club_type' => ['nullable', 'integer'], 			'date_of_birth' => ['nullable', 'date', 'max:50'], 			'points' => ['required', 'integer', 'min:0'], 			'card_number' => ['nullable', 'string'], 		]; 	}