hotfix: 공지사항 추가

[therealjamesjung]

https://github.com/se-gam/segam-web/pull/198

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Name	Status	Preview	Comments	Updated (UTC)
segam-web	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 15, 2024 7:51am
segam-web-develop	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 15, 2024 7:51am