* Add Navidrome blueprint and metadata
Introduces Navidrome as a new blueprint with Docker Compose configuration, template, and icon. Updates meta.json to register Navidrome with relevant metadata, description, links, and tags.
* Remove user and version from Navidrome compose file
Deleted the 'user' field and the 'version' declaration from the docker-compose.yml for Navidrome to simplify configuration and improve compatibility.
* Remove ND_BASEURL from Navidrome environment
Eliminates the ND_BASEURL environment variable from the Navidrome service configuration in docker-compose.yml, likely to rely on default behavior or avoid misconfiguration.
