feat: realtime notifications, fix broadcasting, add notifications page

- Fix: broadcasting.php config (was missing, broadcast failed)
- Fix: Echo class global scope (window.EchoClass)
- Fix: Nginx WebSocket proxy for Reverb
- Fix: Firewall port 8087 opened
- Fix: Duplicate event listener cleanup
- Fix: Mark as read functionality
- Add: CreateViolationNotification listener
- Add: Notifications index page with pagination
- Add: Timezone Asia/Jakarta support
- Add: Real-time badge across all pages
- Remove: toOthers() so recorder also gets notification
- Update: .env.example with new variables

routes/web.php

@@ -30,6 +30,7 @@ Route::middleware('auth')->group(function () {
     Route::get('/notifications/recent', [DashboardController::class, 'getRecentNotifications'])->name('notifications.recent');
     Route::post('/notifications/{id}/read', [DashboardController::class, 'markNotificationRead'])->name('notifications.read');
     Route::post('/notifications/read-all', [DashboardController::class, 'markAllNotificationsRead'])->name('notifications.read-all');
+    Route::get('/notifications', [DashboardController::class, 'notificationsIndex'])->name('notifications.index');
 
     // Violations
     Route::get('/violations', [ViolationController::class, 'index'])->name('violations.index');