feat(cwa): add TRUSTED_PROXY_COUNT to 2

Author: Nitestack

roles/calibre_web_automated/templates/compose.override.yml.j2

@@ -14,6 +14,7 @@ services:
     environment:
       - TZ={{ timezone }}
       - HARDCOVER_TOKEN={{ calibre_web_automated_hardcover_token }}
+      - TRUSTED_PROXY_COUNT=2 # Cloudflare Tunnel + reverse proxy (Caddy)
     volumes:
       - "{{ calibre_web_automated_data_dir }}/config:/config"
       - "{{ calibre_web_automated_data_dir }}/upload:/cwa-book-ingest"