0.5.5

• 新增划词翻译功能：需在设置菜单启动，划词后会调用 AI 服务显示划词翻译结果，可直接加入单词本或复制；
• 设置中新增了 AI 连接测试按钮
• 添加单词时会记住上次选择的卡片颜色
• 优化了设置菜单 UI 样式；

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• New word translation feature: needs to be enabled in the settings menu, after selecting a word, the AI service will be called to display the translation result, which can be directly added to the wordbook or copied.
• An AI connection test button has been added to the settings
• The app will remember the last selected card color when adding words
• The UI style of the settings menu has been optimized