feat(chat-room) 채팅방 골격 추가

SodaLive/Sources/Chat/Talk/Room/Message/ServerChatMessage.swift

@@ -0,0 +1,18 @@
+//
+//  ServerChatMessage.swift
+//  SodaLive
+//
+//  Created by klaus on 9/2/25.
+//
+
+struct ServerChatMessage: Decodable {
+    let messageId: Int64
+    let message: String
+    let profileImageUrl: String
+    let mine: Bool
+    let createdAt: Int64
+    let messageType: String
+    let imageUrl: String?
+    let price: Int?
+    let hasAccess: Bool
+}