add vm_destroy playbook and role

correct network addressing in template
write hostname to /etc/hostname

ansible/roles/vm_destroy/tasks/main.yaml

@@ -0,0 +1,6 @@
+---
+- name: create k8s vms
+  with_items: "{{ vm_name_suffixes }}"
+  loop_control:
+    loop_var: vm_number
+  ansible.builtin.include_tasks: destroy.yaml