restructure repo

roles/manage-ssh-keys/tasks/validate-authorized-keys.yml

@@ -0,0 +1,8 @@
+---
+- name: Stelle sicher, dass das .ssh-Verzeichnis existiert
+  file:
+    path: "{{ authorized_keys_file | dirname }}"
+    state: directory
+    owner: "{{ ssh_user }}"
+    group: "{{ ssh_user }}"
+    mode: '0700'