Add diun role

roles/diun/tasks/main.yml

@@ -0,0 +1,12 @@
+---
+## install diun container
+- name: Deploy diun to swarm
+  community.general.docker_stack:
+    name: "{{ stack_name }}"
+    state: present
+    prune: yes
+    compose:
+      - "{{ stack_compose }}"
+  become: true
+  tags:
+    - docker-swarm