feat: 채팅 라우터 작성 (#9)

routes/chatRoute.js

+const express = require('express');
+const router = express.Router();
+const chatController = require('../controllers/chatController');
+
+router.post('/create-room', chatController.createChatRoom);
+router.get('/rooms', chatController.getChatRooms);
+router.post('/update-status', chatController.updateStatus);
+router.post('/update-read-status', chatController.updateReadStatus);
+router.get('/unread-messages/:nickname', chatController.getUnreadMessages);
+router.get('/unread-count/:chatRoomId', chatController.getUnreadCount);
+router.post('/update-status-and-logid', chatController.updateStatusAndLogId);
+router.post('/update-read-log-id', chatController.updateReadLogId);
+
+module.exports = router;