added groups and polkit rules

salt/states/groups.sls

@@ -0,0 +1,7 @@
+add {{ pillar['username'] }} to optional groups:
+  user.present:
+    - name: {{ pillar['username'] }}
+    - optional_groups:
+       {% for group, args in pillar['groups'].items() -%}
+       - {{ group }}
+       {% endfor %}