Add permission checks and localization improvements

- Add grant check (64, 'X') to QNA register page
- Add grant check (45, 'X') to user login auth modification
- Replace hardcoded Korean permission messages with i18n key 'common.nopermission'
- Add 'nopermission' translation key to both en.json and ko.json
- Update .env.development to use development API endpoints

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

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

src/entities/home/ui/favorite-wrapper.tsx

@@ -53,7 +53,7 @@ export const FavoriteWrapper = ({
       }
     }
     else{
-      showAlert('권한이 없습니다.');
+      showAlert(t('common.nopermission'));
     }
   };