google drive link : https://drive.google.com/drive/folders/1xkR9caLr0Xt-2hMl6OZVGqcVL4wzmKM6 to-do list: https://docs.google.com/document/d/1U6STsCM1TtwKBbDum0__4DT-VkuolB97Z9BbWSgLcD8/edit?usp=sharing