EnakPromo: halaman promo dan detail promo

- Banner promo unggulan, info cara dapat, filter per tipe hadiah, daftar
  promo berlangsung dan segera hadir
- Detail promo: hadiah, periode, outlet, cara dapat, S&K, CTA ke Reward
  Saya atau daftar outlet
- Data contoh mengikuti bentuk campaign backend (POINTS/COINS/REWARD)
- Filter chip Reward Saya dipindah ke komponen bersama FilterBarDelegate

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/presentation/pages/main/pages/home/widgets/service_section.dart

@@ -57,10 +57,7 @@ class HomeServiceSection extends StatelessWidget {
     _HomeMenu(
       label: 'EnakPromo',
       icon: Assets.icons.enakpromoIcon,
-      route: ComingSoonRoute(
-        title: 'EnakPromo',
-        iconPath: Assets.icons.enakpromoIcon.path,
-      ),
+      route: const PromoRoute(),
     ),
     _HomeMenu(
       label: 'EnakShop',