Serve 5etools from storage1 via Caddy instead of a 14G image.

The mirror is static files; keeping it in a container burned root disk. Caddy file_server bind-mounts /storage1/labdata/5etools like the other static sites.

stacks/proxy/docker-compose.yml

@@ -56,6 +56,9 @@ services:
       # ROM files are exposed only through romhacks-files.ginnoir.com/_roms/*
       # and that site imports internal_only in the Caddyfile.
       - /storage1/Emulation/roms:/srv/roms:ro
+      # 5etools mirror — static files on ZFS. Serving via Caddy file_server
+      # instead of ghcr.io/5etools-mirror-3/5etools-src (~14G image on root).
+      - /storage1/labdata/5etools:/srv/5etools:ro
 
 networks:
   edge: