feat(plugin): align with Shopware plugin guidelines

- add dedicated monolog channel aeon_dump_manager and log dump jobs
- migrate services.xml/routes.php to YAML
- require PHP ^8.2
- add extension icon and .config/shopware-extension.yml
- drop empty lifecycle overrides

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

src/MessageQueue/Handler/CreateDumpHandler.php

@@ -5,6 +5,7 @@ namespace AeonDumpManager\MessageQueue\Handler;
 use AeonDumpManager\MessageQueue\Message\CreateDumpMessage;
 use AeonDumpManager\Service\DumpJobStatusService;
 use AeonDumpManager\Service\DumpService;
+use Psr\Log\LoggerInterface;
 use Symfony\Component\Messenger\Attribute\AsMessageHandler;
 
 #[AsMessageHandler]
@@ -13,6 +14,7 @@ class CreateDumpHandler
     public function __construct(
         private readonly DumpService $dumpService,
         private readonly DumpJobStatusService $jobStatus,
+        private readonly LoggerInterface $logger,
     ) {
     }
 
@@ -20,10 +22,12 @@ class CreateDumpHandler
     {
         $jobId = $message->getJobId();
         $this->jobStatus->markRunning($jobId);
+        $this->logger->info('Dump job started.', ['jobId' => $jobId]);
 
         try {
             $this->dumpService->createAsync($jobId, $this->jobStatus);
         } catch (\Throwable $exception) {
+            $this->logger->error('Dump job failed.', ['jobId' => $jobId, 'exception' => $exception]);
             $this->jobStatus->markFailed($jobId, $exception->getMessage());
         }
     }