Refactor additional service pages and add localization

- ARS 페이지 컴포넌트 분리 및 리팩토링
- SMS 재전송 성공/실패 snackBar 추가
- 부가서비스 페이지 다국어(i18n) 적용
- 계좌명의인증 리스트 UI 개선
- 라우트 경로 상수 정리

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

src/pages/additional-service/additional-service-pages.tsx

@@ -48,7 +48,6 @@ export const AdditionalServicePages = () => {
         <Route path={ROUTE_NAMES.additionalService.list} element={<ListPage />} />
         <Route path={ROUTE_NAMES.additionalService.ars.base}>
           <Route path={ROUTE_NAMES.additionalService.ars.list} element={<ArsListPage />} />
-          <Route path={ROUTE_NAMES.additionalService.ars.detail} element={<ArsDetailPage />} />
           <Route path={ROUTE_NAMES.additionalService.ars.request} element={<ArsRequestPage />} />
         </Route>
         <Route path={ROUTE_NAMES.additionalService.keyInPayment.base}>