Added variable desktop_username to identify the user on a single user pc workstation

roles/desk-docker/tasks/main.yml

@@ -5,8 +5,8 @@
       - docker-compose
     state: present
 
-- name: Adding user {{users.client.username}} to relevant docker usergroup  
+- name: "Adding user {{ users[desktop_username].username }} to relevant docker usergroup"
   user: 
-    name: "{{users.client.username}}"
+    name: "{{ users[desktop_username].username }}"
     groups: docker
     append: yes