Localize key-in payment and fund account components

Replace all hardcoded Korean text with i18n translation keys in
key-in payment list and fund account components including tab
navigation and wrap components.

Components localized:
- key-in-payment-list: Payment request button
- fund-account/tab: Transfer request and result inquiry tab buttons
- fund-account/transfer-list-wrap: Balance, won unit, transfer registration notice and button
- fund-account/result-list-wrap: Request/success/fail labels, won units, transfer registration button

All text now supports multi-language through translation keys.

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

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

src/entities/additional-service/ui/fund-account/tab.tsx

@@ -1,13 +1,16 @@
 import { PATHS } from '@/shared/constants/paths';
 import { useNavigate } from '@/shared/lib/hooks/use-navigate';
-import { 
-  FundAccountTabKeys, 
-  FundAccountTabProps 
+import {
+  FundAccountTabKeys,
+  FundAccountTabProps
 } from '../../model/fund-account/types';
+import { useTranslation } from 'react-i18next';
+
 export const FundAccountTab = ({
   activeTab
 }: FundAccountTabProps) => {
   const { navigate } = useNavigate();
+  const { t } = useTranslation();
 
   const onClickToNavigation = (tab: FundAccountTabKeys) => {
     if(activeTab !== tab){
@@ -23,14 +26,14 @@ export const FundAccountTab = ({
   return (
     <>
       <div className="subTab">
-        <button 
+        <button
           className={`subtab-btn ${(activeTab === FundAccountTabKeys.TransferList)? 'active': ''}` }
-          onClick={ () => onClickToNavigation(FundAccountTabKeys.TransferList) } 
-        >이체 신청</button>
-        <button 
+          onClick={ () => onClickToNavigation(FundAccountTabKeys.TransferList) }
+        >{t('additionalService.fundAccount.tabTransferRequest')}</button>
+        <button
           className={`subtab-btn ${(activeTab === FundAccountTabKeys.ResultList)? 'active': ''}` }
-          onClick={ () => onClickToNavigation(FundAccountTabKeys.ResultList) } 
-        >결과 조회</button>
+          onClick={ () => onClickToNavigation(FundAccountTabKeys.ResultList) }
+        >{t('additionalService.fundAccount.tabResultInquiry')}</button>
       </div>
     </>
   );