feat: enable adding/removing users based on flag

tasks/create_users_groups.yml

@@ -3,6 +3,7 @@
   ansible.builtin.group:
     name: "{{ item.name }}"
     gid: "{{ item.gid | default(omit) }}"
+    state: "item.state | default('present') }}"
   loop: "{{ vault_groups | flatten(levels=1) }}"
 
 - name: User in Gruppen einfügen und primäre Gruppe setzen