Add windows role

Set up network interfaces and SSH for Windows hosts.

We can’t gather facts before we know which remote shell to use, so
first run a win_ping to determine if a given host is running Windows.

roles/windows/handlers/main.yml

@@ -0,0 +1,5 @@
+- name: restart sshd
+  win_service:
+    name: sshd
+    state: restarted
+  when: "'handler' not in ansible_skip_tags"