another one! closes#15
again, the compose-snippet was generated using Claude, but verified and tested manually.
Thought of using a socket-proxy just as traefik does, but since alloy has socket access anyways and the official docker image should be as safe as it gets, I think this should be alright.
## Loki log preview

Reviewed-on: #32
Reviewed-by: moritz <98+moritz@noreply.git.coopcloud.tech>
Co-authored-by: Simon <s.thiessen@local-it.org>