Added category for both alien and photon torped
Added category for both alien and photon torped

nguyenantinhbk77/practice-swift,domenicosolazzo/practice-swift,domenicosolazzo/practice-swift,hanhailong/practice-swift,nguyenantinhbk77/practice-swift,domenicosolazzo/practice-swift,nguyenantinhbk77/practice-swift,hanhailong/practice-swift,hanhailong/practice-swift,nguyenantinhbk77/practice-swift,hanhailong/practice-swift,domenicosolazzo/practice-swift