feat(l10n): booster + daily-reward strings (EN/KO)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/l10n/app_en.arb

@@ -61,5 +61,14 @@
   "adsRemovedThanks": "Ads removed — thank you!",
   "purchaseUnavailable": "Purchases are unavailable right now.",
   "soundAndVibration": "Sound & vibration",
-  "music": "Music"
+  "music": "Music",
+  "boosterHammer": "Hammer",
+  "boosterShuffle": "Shuffle",
+  "boosterLineBomb": "Line Bomb",
+  "boosterGetWithAd": "Watch an ad to get one",
+  "dailyRewardTitle": "Daily Reward",
+  "dailyClaim": "Claim",
+  "dailyDoubleWithAd": "Watch ad for 2×",
+  "boosterTapTarget": "Tap a cell",
+  "boosterTapLine": "Tap a row or column"
 }

lib/l10n/app_ko.arb

@@ -33,5 +33,14 @@
   "adsRemovedThanks": "광고가 제거되었습니다 — 감사합니다!",
   "purchaseUnavailable": "지금은 구매를 사용할 수 없습니다.",
   "soundAndVibration": "소리 및 진동",
-  "music": "음악"
+  "music": "음악",
+  "boosterHammer": "해머",
+  "boosterShuffle": "셔플",
+  "boosterLineBomb": "줄 폭탄",
+  "boosterGetWithAd": "광고 보고 1개 받기",
+  "dailyRewardTitle": "출석 보상",
+  "dailyClaim": "받기",
+  "dailyDoubleWithAd": "광고 보고 2배",
+  "boosterTapTarget": "칸을 선택하세요",
+  "boosterTapLine": "줄을 선택하세요"
 }