Add alpine role

Base packages and SSH config, and QEMU guest agent for VMs.

roles/alpine/handlers/main.yml

@@ -0,0 +1,10 @@
+- name: reload sshd
+  service:
+    name: sshd
+    state: reloaded
+  when: "'handler' not in ansible_skip_tags"
+
+- name: update package cache
+  package:
+    update_cache: true
+  when: "'handler' not in ansible_skip_tags"