feat(role): add tubearchivist (inc. elasticsearch)

[JigSawFr]

Description

Once your YouTube video collection grows, it becomes hard to search and find a specific video. That's where Tube Archivist comes in: By indexing your video collection with metadata from YouTube, you can organize, search and enjoy your archived YouTube videos without hassle offline through a convenient web interface.

• Homepage: https://www.tubearchivist.com/
• Github Repository: https://github.com/tubearchivist/tubearchivist
• Docker Github Repository: https://github.com/tubearchivist/tubearchivist/blob/master/docker-compose.yml
• Documentation: https://github.com/tubearchivist/tubearchivist/wiki

How Has This Been Tested?

• [x] App is working as expected. (Container is alive and answering to requests)
• [x] App use a dedicated folder in /opt directory.
• [x] App secured by Authelia SSO authentication system.
• [x] Admin user with Saltbox user name and password.
• [x] A subdomain is correctly created for the web-ui. (via Cloudflare)
• [x] Custom TimeZone is set to the container and application.
• [x] Custom UID/GID is set to the container to run under Saltbox user.
• [x] Healthcheck is added to the container.
• [x] App use a custom output folder (recordings, conversions, etc.) not in /opt.

Inc. a new sub-role, elasticsearch.