Use placeholder and not the Coolify logo if no logo is provided.

app/Console/Commands/ServicesGenerate.php

@@ -71,7 +71,7 @@ class ServicesGenerate extends Command
             'slogan' => $data->get('slogan', str($file)->headline()),
             'compose' => $compose,
             'tags' => $tags,
-            'logo' => $data->get('logo', 'svgs/coolify.png'),
+            'logo' => $data->get('logo', 'svgs/default.webp'),
             'minversion' => $data->get('minversion', '0.0.0'),
         ];