feat: 메인 라이브

- 라이브 예약중 UI 적용

SodaLive/Sources/Live/GetRoomListResponse.swift

@@ -12,6 +12,7 @@ struct GetRoomListResponse: Decodable, Hashable {
     let title: String
     let content: String
     let beginDateTime: String
+    let beginDateTimeUtc: String
     let numberOfParticipate: Int
     let numberOfPeople: Int
     let coverImageUrl: String