repo: Move ansible setup to root dir

roles/caddy/tasks/main.yaml

@@ -0,0 +1,11 @@
+- name: Ensure caddy network exists
+  community.docker.docker_network:
+    name: caddy
+
+- name: Start the compose stack
+  community.docker.docker_compose_v2:
+    project_name: caddy
+    definition: "{{ lookup('template', 'docker-compose.yaml.j2') | from_yaml }}"
+    remove_orphans: true
+    wait: true
+    wait_timeout: 60