1. 스프레드시트 만들기

https://docs.google.com/spreadsheets/d/1pHBvXN7nmGkiG8uQSUB82eNlnL8xHu6kydzH_-eguHQ/copy

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/b9f939cb-f7a7-44ef-bdca-a694da644199/Untitled.png

2. 웹에 게시하기

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/324d05bb-f0a9-43de-a347-b14b2ca81fe4/Untitled.png

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/ea155c63-0099-437d-9d4e-13fca382ac53/Untitled.png

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/6b7aed7b-9dde-4699-9b50-34d3cf2bfe3e/Untitled.png

3. 타임라인 생성하기