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/tasks/deploy_compose.yml

@@ -2,11 +2,12 @@
 - name: Copy docker compose file to target
   ansible.builtin.template:
     src: "templates/compose.yaml.j2"
-    dest: "/opt/docker/compose/compose.yaml"
+    dest: "{{ docker.directories.compose }}/compose.yaml"
     owner: "{{ user }}"
     group: "{{ user }}"
     mode: "644"
     backup: true
   notify:
     - Restart docker
+    - Restart compose
   become: true