feat: add basic nextcloud role

nextcloud with optional collabora base setup

roles/nextcloud/handlers/main.yml

@@ -0,0 +1,7 @@
+#SPDX-License-Identifier: MIT-0
+---
+# handlers file for nextcloud
+- name: Restart nginx container
+  community.docker.docker_container:
+    name: "{{ nextcloud_docker_compose_dir | basename }}-nginx-1"
+    restart: true