add pretasks to newsfeed playbook

plays/nodes/newsfeed.yml

@@ -4,6 +4,17 @@
   become: true
   vars_files:
     - "{{ inventory_dir }}/vars/vault.yaml"
+  pre_tasks:
+    - name: Create container group
+      group:
+        name: "{{ container_group }}"
+        gid: "{{ container_gid }}"
+
+    - name: Create container user
+      user:
+        name: "{{ container_user }}"
+        uid: "{{ container_uid }}"
+
   roles:
     - linode
     - dnf-automatic