feat: serve mautrix bridgev2 wellknown file

roles/custom/matrix-static-files/tasks/install.yml

@@ -52,6 +52,10 @@
       dest: "{{ matrix_static_files_public_well_known_matrix_path }}/support"
       when: "{{ matrix_static_files_file_matrix_support_enabled }}"
 
+    - content: "{{ matrix_static_files_file_matrix_mautrix_configuration | to_nice_json }}"
+      dest: "{{ matrix_static_files_public_well_known_matrix_path }}/mautrix"
+      when: "{{ matrix_static_files_file_matrix_mautrix_enabled }}"
+
     # This one will not be deleted if `matrix_static_files_file_index_html_enabled` flips to `false`.
     # See the comment for `matrix_static_files_file_index_html_enabled` to learn why.
     - content: "{{ matrix_static_files_file_index_html_template }}"
@@ -70,6 +74,12 @@
     state: absent
   when: "not matrix_static_files_file_matrix_support_enabled | bool"
 
+- name: Ensure /.well-known/matrix/mautrix file deleted if not enabled
+  ansible.builtin.file:
+    path: "{{ matrix_static_files_public_well_known_matrix_path }}/mautrix"
+    state: absent
+  when: "not matrix_static_files_file_matrix_mautrix_enabled | bool"
+
 - name: Ensure matrix-static-files container image is pulled
   community.docker.docker_image:
     name: "{{ matrix_static_files_container_image }}"

roles/custom/matrix-static-files/tasks/self_check_well_known.yml

@@ -24,6 +24,21 @@
       ansible.builtin.set_fact:
         well_known_file_checks: "{{ well_known_file_checks + [well_known_file_check_matrix_server] }}"
 
+- when: matrix_static_files_file_matrix_mautrix_enabled | bool
+  block:
+    - name: Prepare /.well-known/matrix/mautrix to well-known files to check, if enabled
+      ansible.builtin.set_fact:
+        well_known_file_check_matrix_mautrix:
+          path: /.well-known/matrix/mautrix
+          purpose: Mautrix bridge discovery
+          cors: true
+          follow_redirects: safe
+          validate_certs: "{{ matrix_static_files_self_check_validate_certificates }}"
+
+    - name: Inject /.well-known/matrix/mautrix to well-known files to check, if enabled
+      ansible.builtin.set_fact:
+        well_known_file_checks: "{{ well_known_file_checks + [well_known_file_check_matrix_mautrix] }}"
+
 - name: Perform well-known checks
   ansible.builtin.include_tasks: "{{ role_path }}/tasks/self_check_well_known_file.yml"
   with_items: "{{ well_known_file_checks }}"