feat(i18n): add Traditional Chinese (zh-TW) locale (#773)

* feat(i18n): add Traditional Chinese (zh-TW) locale

* fix(i18n): localize remaining English strings and fix README fence (zh-TW)

* fix(i18n): track zh-TW tasks.json (was excluded by .gitignore)

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Co-authored-by: Haile <118998054+blackmammoth@users.noreply.github.com>

src/i18n/locales/zh-TW/codeEditor.json

@@ -0,0 +1,34 @@
+{
+  "toolbar": {
+    "changes": "個變更",
+    "previousChange": "上一個變更",
+    "nextChange": "下一個變更",
+    "hideDiff": "隱藏差異醒目提示",
+    "showDiff": "顯示差異醒目提示",
+    "settings": "編輯器設定",
+    "collapse": "收合編輯器",
+    "expand": "展開編輯器到全寬"
+  },
+  "loading": "正在載入 {{fileName}}...",
+  "header": {
+    "showingChanges": "顯示變更"
+  },
+  "actions": {
+    "download": "下載檔案",
+    "save": "儲存",
+    "saving": "儲存中...",
+    "saved": "已儲存！",
+    "exitFullscreen": "離開全螢幕",
+    "fullscreen": "全螢幕",
+    "close": "關閉"
+  },
+  "footer": {
+    "lines": "行數：",
+    "characters": "字元數：",
+    "shortcuts": "按 Ctrl+S 儲存 • Esc 關閉"
+  },
+  "binaryFile": {
+    "title": "二進位檔案",
+    "message": "檔案「{{fileName}}」無法在文字編輯器中顯示，因為它是二進位檔案。"
+  }
+}