Added emma play and updated roles for multi-server setup

roles/any.common.ssh/tasks/main.yml

@@ -1,4 +1,20 @@
 ---
+- name: Ensure ssh directory is present
+  file:
+    path: /home/debian/.ssh/
+    state: directory
+    owner: debian
+    group: debian
+    mode: '700'
+
+- name: Ensure authorized keys are present
+  copy:
+    src: authorized_keys
+    dest: /home/debian/.ssh/authorized_keys
+    owner: debian
+    group: debian
+    mode: '600'
+
 - name: Ensure sshd config is present
   ansible.builtin.copy:
     src: 'sshd_config'