feedback5: merge UI-TW — the Traditional Chinese interface (all msgids converted with OpenCC cn → twp, the official TW terms, a manual pass) and the machine-translation mark (_meta.machineTranslated → the pack index → a note under the language switch in 设置); golden unchanged

public/i18n/en.json

@@ -789,6 +789,7 @@
   "出售选中干员": "Sell selected Operator",
   "取消 / 关闭": "Cancel / Close",
   "语言": "Language",
+  "当前语言的界面文字为机器翻译，可能不够准确，欢迎在 GitHub 上指正。": "The interface text in this language is machine-translated and may be inaccurate. Corrections are welcome on GitHub.",
   "右键查看详情": "Right-click for details",
   "刷新商店": "Refresh Shop",
   "冻结 / 解冻商店": "Freeze / Unfreeze Shop",