Add pharmacy auto-registration and infrastructure improvements

- Auto-generate pharmacy_code (P001~P999) when creating new pharmacy
- Add new pharmacy fields: owner info, institution code/type, API port
- Change Headplane port mapping: 3000 → 3001 to avoid conflicts
- Add code-server setup script for development environment
- Add LXC Caddy setup documentation
- Update .gitignore to exclude farmq-admin submodule

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

docker-compose.yml

@@ -35,7 +35,7 @@ services:
     volumes:
       - ./headplane-config:/etc/headplane
     ports:
-      - "3000:3000"     # Headplane Web UI
+      - "3001:3000"     # Headplane Web UI (외부:3001, 내부:3000)
     depends_on:
       - headscale
     networks: