feat: add Nextcloud service configuration and deployment tasks

config/ansible/tasks/servers/services/nextcloud/docker-compose.yml.j2

@@ -0,0 +1,19 @@
+services:
+  nextcloud-aio-mastercontainer:
+    image: nextcloud/all-in-one:latest
+    init: true
+    restart: always
+    container_name: nextcloud-aio-mastercontainer # This line is not allowed to be changed as otherwise AIO will not work correctly
+    volumes:
+      - /mnt/object_storage/services/nextcloud:/mnt/docker-aio-config # This line is not allowed to be changed as otherwise the built-in backup solution will not work
+      - /var/run/docker.sock:/var/run/docker.sock:ro # May be changed on macOS, Windows or docker rootless. See the applicable documentation. If adjusting, don't forget to also set 'WATCHTOWER_DOCKER_SOCKET_PATH'!
+    network_mode: bridge # add to the same network as docker run would do
+    ports:
+      - 8080:8080
+    networks:
+      - caddy_network
+
+networks:
+  caddy_network:
+    external: true
+    name: caddy_default