fix(pretix): increase memory limit to 6Gi; eventyay nginx sidecar; crowdsec middleware

pretix/standalone runs gunicorn + celery + celery-beat in one container
and OOMKilled at 4Gi. Increased limit to 6Gi, request to 512Mi.

eventyay: add nginx sidecar to serve static files, update health probes
to check a static asset at port 8080, add create-superuser script,
register script in manifest.

crowdsec: middleware fix (previously uncommitted).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

eventyay/versions/1/README.md

@@ -27,7 +27,7 @@ Key settings in `config.yaml`:
 
 2. Create the superuser account:
    ```bash
-   kubectl exec -n eventyay deploy/eventyay -- python manage.py createsuperuser
+   EMAIL=you@example.com scripts/create-superuser.sh
    ```
 
 3. Log in at `/orga/login/` with the credentials you just created.