feat(talk/turn/signaling/hpb): add role for Talk with backend services

roles/talk/handlers/main.yml

@@ -0,0 +1,8 @@
+#SPDX-License-Identifier: MIT-0
+---
+# handlers file for talk
+
+- name: Restart signaling stack
+  community.docker.docker_compose_v2:
+    project_src: "{{ talk_docker_compose_dir }}"
+    state: restarted