feat: implement new role layout

playbook.yaml

@@ -4,7 +4,7 @@
 - name: "install and configure SideroLabs's Omni"
   hosts: "all"
   become: true
-  pre_tasks:
+  tasks:
 
     # due to semaphore bug we need to do this ourselves
     - name: "force-update requirements"
@@ -15,6 +15,7 @@
       changed_when: false
       failed_when: false
 
-  roles:
-    - role: "docker"
-    - role: "omni"
+    # execute the role
+    - name: "execute role: omni"
+      ansible.builtin.include_role:
+        name: "omni"