Change PXE server task and handler name

metal/roles/pxe-boot/handlers/main.yml

@@ -1,4 +1,4 @@
-- name: Stop PXE server
+- name: Stop ephemeral PXE server
   docker_compose:
     project_src: "{{ role_path }}/build"
     state: absent

metal/roles/pxe-boot/tasks/server.yml

@@ -58,7 +58,7 @@
     dest: "{{ role_path }}/build/http/kickstart/network/{{ hostvars[item]['mac'] }}.ks"
   loop: "{{ groups['metal'] }}"
 
-- name: Start PXE server
+- name: Start ephemeral PXE server
   docker_compose:
     project_src: "{{ role_path }}/build"
     state: present