feat: generate image thumbnails after deployment

config/services.yaml

@@ -53,6 +53,11 @@ services:
             $connection: '@doctrine.dbal.default_connection'
             $xmlFilesPath: '%kernel.project_dir%/xmlexport'
 
+    App\Command\GenerateThumbnailsCommand:
+        arguments:
+            $cacheManager: '@liip_imagine.cache.manager'
+            $filterService: '@liip_imagine.service.filter'
+
     App\BusProNet\ApiClient:
         arguments:
             $logger: '@monolog.logger.bpn'