Add Go Skype Bridge

Based on mautrix-whatsapp, as that's what the bridge software is based on.

roles/matrix-bridge-go-skype-bridge/tasks/init.yml

@@ -0,0 +1,21 @@
+---
+- set_fact:
+    matrix_systemd_services_list: "{{ matrix_systemd_services_list + ['matrix-go-skype-bridge.service'] }}"
+  when: matrix_go_skype_bridge_enabled|bool
+
+# If the matrix-synapse role is not used, these variables may not exist.
+- set_fact:
+    matrix_synapse_container_extra_arguments: >
+      {{
+        matrix_synapse_container_extra_arguments|default([])
+        +
+        ["--mount type=bind,src={{ matrix_go_skype_bridge_config_path }}/registration.yaml,dst=/matrix-go-skype-bridge-registration.yaml,ro"]
+      }}
+
+    matrix_synapse_app_service_config_files: >
+      {{
+        matrix_synapse_app_service_config_files|default([])
+        +
+        ["/matrix-go-skype-bridge-registration.yaml"]
+      }}
+  when: matrix_go_skype_bridge_enabled|bool