Add continuwuity support (#4267)

* continuwuity support

* continuwuity support

* use main instead of commit tag

* fix docker image link

* migration from conduwuit

* fix yaml lint

* backup directories and linter fixes

* linter fixes

roles/custom/matrix-continuwuity/tasks/setup_uninstall.yml

@@ -0,0 +1,23 @@
+# SPDX-FileCopyrightText: 2025 MDAD project contributors
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
+---
+
+- name: Check existence of matrix-continuwuity service
+  ansible.builtin.stat:
+    path: "{{ devture_systemd_docker_base_systemd_path }}/matrix-continuwuity.service"
+  register: matrix_continuwuity_service_stat
+
+- when: matrix_continuwuity_service_stat.stat.exists | bool
+  block:
+    - name: Ensure matrix-continuwuity is stopped
+      ansible.builtin.systemd:
+        name: matrix-continuwuity
+        state: stopped
+        daemon_reload: true
+
+    - name: Ensure matrix-continuwuity.service doesn't exist
+      ansible.builtin.file:
+        path: "{{ devture_systemd_docker_base_systemd_path }}/matrix-continuwuity.service"
+        state: absent