added wireguard si s2s to prometheus

defaults/main.yml

+---
+
+wg_si_s2s_group: "{{(groups['alertmanager'] + groups['prometheus'])}}"
+wg_si_s2s_name: "prometheus"
+

tasks/main.yml

 ---
 
+- name: wireguard single interface site to site
+  import_role:
+    name: wg_si_s2s
+  tags: wg
+
 - import_tasks: all.yml
 
 - include_tasks: "{{ansible_os_family|lower}}.yml"