restructure repo

roles/manage-ssh-keys/handlers/main.yml

@@ -0,0 +1,13 @@
+---
+  - name: Cleanup Comments
+    lineinfile:
+      path: "{{ authorized_keys_file }}"
+      state: absent
+      regexp: '^#.*$'
+
+  - name: Add Comment
+    blockinfile:
+      path: "{{ authorized_keys_file }}"
+      marker: ""
+      block: |
+        # Modified by Ansible on {{ ansible_date_time.date }} at {{ ansible_date_time.time }}