Add consul service_set file back

ansible/system_roles/consul/tasks/service_config_set.yml

+---
+- name: import path to control repo
+  include_vars: "vars/{{ ansible_distribution }}.yml"
+
+- name: Register a key/value pair for {{ consul_service_key }}
+  consul_kv:
+    key: "{{ consul_service_key }}"
+    value: "{{ consul_service_value }}"
+  vars:
+    ansible_python_interpreter: "{{ consul_control_python }}"