lang: Refactored langtool, updated chinese translation (#1623)

- Better argument parsing
- Allow processing all language folders at the same time
- Allow an optional reference language when translating
- Save translations on KeyboardInterrupt
- Fixes a ooold input issues by importing readline
(https://github.com/kovidgoyal/kitty/issues/6560)
- Add untranslate mode to remove translations by a key regex

---------

Co-authored-by: Nik <werwolv98@gmail.com>

plugins/diffing/romfs/lang/zh_CN.json

@@ -1,21 +1,21 @@
 {
     "code": "zh-CN",
-    "language": "Chinese (Simplified)",
     "country": "China",
     "fallback": false,
+    "language": "Chinese (Simplified)",
     "translations": {
-        "hex.diffing.algorithm.simple.name": "逐个字节简单算法",
-        "hex.diffing.algorithm.simple.description": "简单的 O(N) 逐字节比较。\n只能识别数据末尾的字节修改和插入/删除",
-        "hex.diffing.algorithm.myers.name": "迈尔斯位向量算法",
         "hex.diffing.algorithm.myers.description": "智能的 O(N*M) 比较算法。可以识别数据中任何位置的修改、插入和删除",
+        "hex.diffing.algorithm.myers.name": "迈尔斯位向量算法",
         "hex.diffing.algorithm.myers.settings.window_size": "窗口大小",
-        "hex.diffing.view.diff.name": "差异",
+        "hex.diffing.algorithm.simple.description": "简单的 O(N) 逐字节比较。\n只能识别数据末尾的字节修改和插入/删除",
+        "hex.diffing.algorithm.simple.name": "逐个字节简单算法",
         "hex.diffing.view.diff.added": "添加",
+        "hex.diffing.view.diff.algorithm": "差异算法",
         "hex.diffing.view.diff.modified": "修改",
+        "hex.diffing.view.diff.name": "差异",
         "hex.diffing.view.diff.provider_a": "提供者A",
         "hex.diffing.view.diff.provider_b": "提供者B",
         "hex.diffing.view.diff.removed": "移除",
-        "hex.diffing.view.diff.algorithm": "差异算法",
         "hex.diffing.view.diff.settings": "无可用设置",
         "hex.diffing.view.diff.settings.no_settings": "无可用设置"
     }