feat(i18n): update Chinese translations for improved clarity and consistency (#48)

* 添加语言中文（繁体）

* Add support for Japanese

* feat(i18n): update Japanese and Chinese translations for improved clarity and consistency

- Remove redundant launcher quit translation in Japanese
- Update Japanese translations for system registration and deletion messages
- Improve Chinese translations for version management and UI elements
- Standardize terminology across both languages for better user experience
- Remove unused/deprecated translation keys to reduce bundle size
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Co-authored-by: neverforward <neverforward@users.noreply.github.com>
Co-authored-by: Esczvefs <guxiang@litebds.com>

Author: neverforward

build/darwin/icons.icns

@@ -152,6 +152,7 @@
         "version": "バージョン",
         "type": "タイプ",
         "status": "ステータス",
+        "loader": "ローダー",
         "actions": "アクション"
       },
       "type": {
@@ -167,6 +168,8 @@
       "status_downloaded": "ダウンロード済み",
       "status_not_downloaded": "未ダウンロード",
       "loader": "ローダー",
+      "ll_supported": "対応",
+      "ll_unsupported": "非対応",
       "input": {
         "placeholder": "バージョンで検索..."
       }

frontend/src/assets/locales/ja_JP.json

@@ -168,6 +168,8 @@
       "status_downloaded": "Загружено",
       "status_not_downloaded": "Не загружено",
       "loader": "Загрузчик",
+      "ll_supported": "Поддерживается",
+      "ll_unsupported": "Не поддерживается",
       "input": {
         "placeholder": "Поиск по версии..."
       }
@@ -222,6 +224,7 @@
       "success_body": "Установщик удалён: "
     },
     "install": {
+      "levilamina_label": "Установить LeviLamina",
       "version_label": "Версия",
       "hint": "Пожалуйста, подождите, процесс может занять некоторое время…",
       "estimated_size": "Записываемый объём (приблизительно)",