Add SwarmClaw template

[lguzzon]

Hello,

this is an orchestrator for OpenClaw and/or AI agents.
You can find more information at: https://github.com/swarmclawai/swarmclaw.

It can be used as a standard website, with port 3456 exposed to HTTPS via the proxy.

Here is a draft template:

# documentation: https://github.com/swarmclawai/swarmclaw
# slogan: Self-hosted AI agent orchestration dashboard.
# category: AI
# tags: ai, orchestration, multi-agent, llm
# logo: svgs/swarmclaw.svg
# port: 3456

services:
  swarmclaw:
    image: swarmclawai/swarmclaw:latest
    environment:
      # ACCESS_KEY is recommended. If omitted, the app will generate one on its first run.
      - ACCESS_KEY=${ACCESS_KEY:-}
      # Used to encrypt sensitive credentials in the database
      - CREDENTIAL_SECRET=${CREDENTIAL_SECRET:-}
    volumes:
      # Mount the data folder to persist SQLite databases (swarmclaw.db, memory.db, logs.db)
      - swarmclaw-data:/app/data
    ports:
      - "3456:3456"
    restart: unless-stopped

volumes:
  swarmclaw-data:
    name: swarmclaw-data