feat(docker): Added cadvisor on all hosts, added docker metric exporter, added docker compose restart as handler, moved repetetive directory/permission creation into loops, moved repetetive values into variables, cleanup compose template for better empty lines

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

roles/docker_host/handlers/main.yml

@@ -4,4 +4,8 @@
     name: docker
     state: restarted
   become: true
-# TODO also do docker compose restart
+
+- name: Restart compose
+  community.docker.docker_compose_v2:
+    project_src: "{{ docker.directories.compose }}"
+    state: restarted