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

config/app.php

@@ -65,7 +65,7 @@ return [
     |
     */
 
-    'timezone' => 'UTC',
+    'timezone' => env('APP_TIMEZONE', 'UTC'),
 
     /*
     |--------------------------------------------------------------------------