feat(l10n): 누락된 번역 및 기본 무기 수정

- 기본 무기를 'Sharp Stick'에서 'Keyboard'로 변경 (아스키나라 세계관)
- 몬스터 번역 168개 추가 (보안 위협, 버그 등)
- BoringItems(잡템) 번역 42개 추가
- game_data_l10n에서 boringItem 번역 적용

lib/l10n/app_localizations.dart

@@ -526,6 +526,18 @@ abstract class L10n {
   /// In en, this message translates to:
   /// **'{percent}% complete'**
   String percentComplete(int percent);
+
+  /// New character screen title
+  ///
+  /// In en, this message translates to:
+  /// **'ASCII-Nara - New Character'**
+  String get newCharacterTitle;
+
+  /// Confirm character creation button
+  ///
+  /// In en, this message translates to:
+  /// **'Sold!'**
+  String get soldButton;
 }
 
 class _L10nDelegate extends LocalizationsDelegate<L10n> {

lib/l10n/app_localizations_en.dart

@@ -232,4 +232,10 @@ class L10nEn extends L10n {
   String percentComplete(int percent) {
     return '$percent% complete';
   }
+
+  @override
+  String get newCharacterTitle => 'ASCII-Nara - New Character';
+
+  @override
+  String get soldButton => 'Sold!';
 }

lib/l10n/app_localizations_ja.dart

@@ -232,4 +232,10 @@ class L10nJa extends L10n {
   String percentComplete(int percent) {
     return '$percent% complete';
   }
+
+  @override
+  String get newCharacterTitle => 'ASCII-Nara - New Character';
+
+  @override
+  String get soldButton => 'Sold!';
 }

lib/l10n/app_localizations_ko.dart

@@ -232,4 +232,10 @@ class L10nKo extends L10n {
   String percentComplete(int percent) {
     return '$percent% 완료';
   }
+
+  @override
+  String get newCharacterTitle => '아스키나라 - 새 캐릭터';
+
+  @override
+  String get soldButton => '확인!';
 }

lib/l10n/app_localizations_zh.dart

@@ -232,4 +232,10 @@ class L10nZh extends L10n {
   String percentComplete(int percent) {
     return '$percent% complete';
   }
+
+  @override
+  String get newCharacterTitle => 'ASCII-Nara - New Character';
+
+  @override
+  String get soldButton => 'Sold!';
 }