contrib/ansible: Allow master and node roles to co-exist

roles/k3s/node/tasks/main.yml

@@ -3,14 +3,14 @@
 - name: Copy K3s service file
   template:
     src: "k3s.service.j2"
-    dest: "{{ systemd_dir }}/k3s.service"
+    dest: "{{ systemd_dir }}/k3s-node.service"
     owner: root
     group: root
     mode: 0755
 
 - name: Enable and check K3s service
   systemd:
-    name: k3s
+    name: k3s-node
     daemon_reload: yes
     state: restarted
     enabled: yes