add user role + use it in the new nebula playbook

ansible/host_vars/nebula.yml

@@ -0,0 +1,17 @@
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ansible/hosts

@@ -1,3 +1,5 @@
+nebula
+
 [surtur]
 surtur.local
 

ansible/playbooks/nebula.yml

@@ -0,0 +1,9 @@
+---
+- hosts: nebula
+  vars_files:
+    - ../host_vars/nebula.yml
+  roles:
+    - role: user
+      vars:
+        user: "{{ users.testpcmt }}"
+...

ansible/roles/user/tasks/main.yml

@@ -0,0 +1,17 @@
+---
+- name: Create group "{{ user.group }}"
+  ansible.builtin.group:
+    name: "{{ user.group }}"
+    state: present
+
+- name: Create user "{{ user.name }}"
+  ansible.builtin.user:
+    name: "{{ user.name }}"
+    comment: "{{ user.comment }}"
+    create_home: "{{ user.create_home }}"
+    group: "{{ user.group }}"
+    groups: "{{ user.groups }}"
+    append: "{{ user.groups_append }}"
+    shell: "{{ user.shell }}"
+    system: "{{ user.system }}"
+...