added new answer file tasks

tasks/answerfile.yml

 
-- name: create answerfile for "{{ inventory_hostname }}"
+- import_role:
+    name: system
+    tasks_from: answerfile
+
+- name: create answer file
   template:
     src: answerfile.j2
     dest: "{{ system_answerfile_path }}"
+  delegate_to: "{{ system_answerfile_server }}"
+  when: (system_answerfile_state | default(present)) == "present"
+