feat: initial ansible-content repo with placeholder roles for agent verification

Ein Platzhalter je Merkmal aus der Schulcomputer-Bereitstellungsvorlage (guest-session, brave-fedora, onlyoffice-fedora), zum Beweis der ansible-pull-Pipeline des Provisioning Agent.

roles/brave-fedora/tasks/main.yml

@@ -0,0 +1,11 @@
+- name: Ensure marker directory exists
+  ansible.builtin.file:
+    path: /run/tuxflotte/agent/applied
+    state: directory
+    mode: "0755"
+
+- name: Record that the brave-fedora role ran
+  ansible.builtin.copy:
+    dest: /run/tuxflotte/agent/applied/brave-fedora.marker
+    content: "{{ ansible_date_time.iso8601 }}\n"
+    mode: "0644"