add mautrix-facebook support for raspberry pi

roles/matrix-base/tasks/setup_matrix_base.yml

@@ -25,6 +25,7 @@
     - { src: "{{ matrix_docker_src_files_path }}", when: "{{ matrix_raspberry_pi }}" }
     - { src: "{{ matrix_docker_synapse_src_files_path }}", when: "{{ matrix_raspberry_pi }}" }
     - { src: "{{ matrix_docker_coturn_src_files_path }}", when: "{{ matrix_coturn_enabled }}"}
+    - { src: "{{ matrix_docker_mautrix_facebook_src_files_path }}", when: "{{ matrix_mautrix_facebook_enabled }}"}
 
 # `docker_network` doesn't work as expected when the given network
 # is a substring of a network that already exists.