Node.js integration (7.x-1.0) - en to unknown language translation catalogue (7 entries)

en: Subscribe
target: 订阅

en: Unsubscribe
target: 取消订阅

en: updated
target: 已更新

en: Configuration
target: 配置

en: Add user
target: 添加用户

en: Chat
target: 聊天

en: Subscribe to @title
target: 订阅 @title
