Add variable to influence whether /.well-known/matrix/support is created

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1931

roles/matrix-base/defaults/main.yml

@@ -21,8 +21,10 @@ matrix_admin: ''
 #     role: admin
 #   - email_address: security@domain.tld
 #     role: security
+# Also see: `matrix_well_known_matrix_support_enabled`
 matrix_homeserver_admin_contacts: []
 # Url string like https://domain.tld/support.html
+# Also see: `matrix_well_known_matrix_support_enabled`
 matrix_homeserver_support_url: ''
 
 # This will contain the homeserver implementation that is in use.
@@ -267,6 +269,11 @@ matrix_vars_yml_snapshotting_src: "{{ inventory_dir }}/host_vars/{{ inventory_ho
 # matrix domain (`matrix_server_fqn_matrix`).
 matrix_well_known_matrix_server_enabled: true
 
+# Controls whether a `/.well-known/matrix/support` file is generated and used at all.
+#
+# See `matrix_homeserver_admin_contacts`, `matrix_homeserver_support_url`, etc.
+matrix_well_known_matrix_support_enabled: true
+
 # Controls whether Docker is automatically installed.
 # If you change this to false you must install and update Docker manually. You also need to install the docker (https://pypi.org/project/docker/) Python package.
 matrix_docker_installation_enabled: true

roles/matrix-base/tasks/setup_well_known.yml

@@ -37,9 +37,16 @@
   when: "not matrix_well_known_matrix_server_enabled|bool"
 
 - name: Ensure Matrix /.well-known/matrix/support file configured
-  copy:
-    content: "{{ matrix_well_known_matrix_support_configuration|to_nice_json }}"
+  ansible.builtin.copy:
+    content: "{{ matrix_well_known_matrix_support_configuration | to_nice_json }}"
     dest: "{{ matrix_static_files_base_path }}/.well-known/matrix/support"
     mode: 0644
     owner: "{{ matrix_user_username }}"
     group: "{{ matrix_user_groupname }}"
+  when: matrix_well_known_matrix_support_enabled | bool
+
+- name: Ensure Matrix /.well-known/matrix/support file deleted
+  ansible.builtin.file:
+    path: "{{ matrix_static_files_base_path }}/.well-known/matrix/support"
+    state: absent
+  when: "not matrix_well_known_matrix_support_enabled | bool"