feat/arema v2/working websocket

[guilbep]

Add proper configure to take into account prefixes and domain for the frontend Allow websocket with the feathers clients and better pinia/feathers interactions with latest version

• feat(frontend): working websocket in docker compose
• feat(frontend): cleanup frontend docker file
• feat(chore): add proper env variable for admin service
• chore(docker): add api path to traefik pathPrefix
• chore(docker): remove unecessary ports link
• chore(frontend): add latest backend build

[guilbep]

Ahah, j'ai réussi!