better format service playbook

tasks/service.yaml

@@ -8,4 +8,6 @@
     install_recommends: '{{ install_recommends | default("no") }}'
   with_items: "{{ service_packages }}"
 - name: start {{ service_name }} at boot
-  service: name="{{ service_name }}" enabled=yes
+  service:
+    name: "{{ service_name }}"
+    enabled: yes