* feat: template for emqx
* chore: process meta
* fix: use websocket on port 443 instead of 8084
* docs: improve comments for emqx template
* fix: use emqx service name
* fix: use dummy domain instead of traefik
* fix: explicitly list dokplok-network
* fix(emqx): restart unless stopped
* fix(emqx): add healthcheck
