feat: integrate customer service chat functionality and add socket.io-client dependency

- Implemented a customer service chat interface in the application.
- Added socket.io-client for real-time communication.
- Updated language files to include customer service related translations.
- Modified navigation to direct users to the customer service page.
- Enhanced UI elements for better user experience in chat interactions.

language/tw.js

@@ -86,6 +86,7 @@ var tw = {
 
   user: "我的",
   userBalance: "餘額",
+  customerService: "在線客服",
   logout: "退出登錄",
   tip: "提示",
   logoutTip: "確認退出登錄？",
@@ -174,6 +175,21 @@ var tw = {
   chooseCoin: "請選擇幣種",
   flagshipHall: "旗艦廳",
   liveHall: "現場廳",
+
+  // 在線客服
+  csConnected: "已連接",
+  csConnecting: "連接中...",
+  csWelcome: "歡迎使用在線客服",
+  csBusy: "客服繁忙，請稍候...",
+  csInputTip: "請輸入您的問題",
+  csInputPlaceholder: "輸入消息，點擊發送...",
+  csSend: "發送",
+  csMe: "我",
+  csAgent: "客服",
+  csSessionEnded: "會話已結束",
+  csAgentServing: "客服為您服務",
+  csAgentJoined: "已接入",
+  csConnectFailed: "連接失敗",
 };
 
 export { tw };