chore: add central collabora service

instead of providing one for owncloud and nextcloud separately

Signed-off-by: Bert-Jan Fikse <bert-jan@whatwedo.ch>

roles/collabora/defaults/main.yml

@@ -1,3 +1,28 @@
 #SPDX-License-Identifier: MIT-0
 ---
 # defaults file for collabora
+
+# Base directory configuration (inherited from base role or defined here)
+docker_compose_base_dir: /etc/docker/compose
+docker_volume_base_dir: /srv/data
+
+# Collabora-specific configuration
+collabora_service_name: collabora
+collabora_docker_compose_dir: "{{ docker_compose_base_dir }}/{{ collabora_service_name }}"
+
+# Service configuration
+collabora_domain: "office.local.test"
+collabora_image: "collabora/code:latest"
+collabora_port: 9980
+collabora_extra_hosts: []
+
+# Traefik configuration
+collabora_traefik_network: "proxy"
+collabora_use_ssl: true
+
+# Allowed WOPI host domains (Nextcloud, OpenCloud, etc.)
+# These domains are allowed to open documents via Collabora.
+# Each entry is used as a regex pattern (dots are auto-escaped).
+collabora_allowed_domains:
+  - "nextcloud.local.test"
+  - "opencloud.local.test"