feat(i18n): add comprehensive Arabic localization and RTL layout support (#1039)

app/src/main/res/values-ko/strings.xml

@@ -240,6 +240,14 @@
     <string name="theme_preset_catppuccin">Catppuccin</string>
     <string name="theme_preset_amoled">AMOLED 블랙 (다크 전용)</string>
 
+    <!-- Language -->
+    <string name="settings_item_language">언어</string>
+    <string name="language_system">시스템 기본값</string>
+    <string name="language_english">English</string>
+    <string name="language_arabic">العربية</string>
+    <string name="language_chinese">简体中文</string>
+    <string name="language_korean">한국어</string>
+
     <!-- Connect Screen -->
     <string name="connect_selected_profile">프로필: %1$s</string>
     <string name="connect_action_select_profile">저장된 프로필 선택</string>

app/src/main/res/values-zh/strings.xml

@@ -249,6 +249,7 @@
     <string name="settings_item_language">语言</string>
     <string name="language_system">跟随系统</string>
     <string name="language_english">English</string>
+    <string name="language_arabic">العربية</string>
     <string name="language_chinese">简体中文</string>
     <string name="language_korean">한국어</string>
     <string name="connect_selected_profile">配置：%1$s</string>

app/src/main/res/values/strings.xml

@@ -276,6 +276,7 @@
     <string name="settings_item_language">Language</string>
     <string name="language_system">System</string>
     <string name="language_english">English</string>
+    <string name="language_arabic">العربية</string>
     <string name="language_chinese">简体中文</string>
     <string name="language_korean">한국어</string>