This groups the files and templates for each host together and therefore makes it easier to see all the (config) files for a host. Also clean up incorrect, unused docker_compose config for mumble and clean up unused engelsystem configs.
Co-authored-by: Max <max@mlem.cloud>
cloud braucht noch etwas Arbeit, insbesondere die Abslage der Daten in /data und die Keycloak-Anbindung.