orion updates

Move orion to "laptop" category, which is effectively a desktop.

Ensure system groups are created.

inventory

@@ -1,11 +1,12 @@
 [laptop]
 petrichor
+orion
 
 [worklaptop]
 kisom-x1
 
-[build]
+# [build]
-orion
+# orion
 
 [personal]
 petrichor

roles/base/tasks/main.yml

@@ -1,3 +1,19 @@
+- name: ensure system groups exist
+  become: true
+  ansible.builtin.group:
+    name: "{{ item }}"
+    state: present
+    system: true
+  with_items:
+    - adm
+    - cdrom
+    - dialout
+    - dip
+    - lpadmin
+    - plugdev
+    - sambashare
+    - sudo
+
 - name: set up user
   become: true
   ansible.builtin.user: