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/router/app_router.dart

@@ -83,6 +83,10 @@ class AppRouter extends RootStackRouter {
     // Reward
     AutoRoute(page: RewardRoute.page),
 
+    // Promo
+    AutoRoute(page: PromoRoute.page),
+    AutoRoute(page: PromoDetailRoute.page),
+
     // Account
     AutoRoute(page: AccountMyRoute.page),
     AutoRoute(page: AddressRoute.page),